81228946428

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{41651}}^1$

素因数の和:41848

約数の個数: 144

約数和(自身を含む): 240155435520

約数和(自身を除く): 158926489092

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 71, 84, 109, 126, 142, 213, 218, 252, 284, 327, 426, 436, 497, 639, 654, 763, 852, 981, 994, 1278, 1308, 1491, 1526, 1962, 1988, 2289, 2556, 2982, 3052, 3924, 4473, 4578, 5964, 6867, 7739, 8946, 9156, 13734, 15478, 17892, 23217, 27468, 30956, 41651, 46434, 54173, 69651, 83302, 92868, 108346, 124953, 139302, 162519, 166604, 216692, 249906, 278604, 291557, 325038, 374859, 487557, 499812, 583114, 650076, 749718, 874671, 975114, 1166228, 1499436, 1749342, 1950228, 2624013, 2957221, 3498684, 4539959, 5248026, 5914442, 8871663, 9079918, 10496052, 11828884, 13619877, 17743326, 18159836, 20700547, 26614989, 27239754, 31779713, 35486652, 40859631, 41401094, 53229978, 54479508, 62101641, 63559426, 81719262, 82802188, 95339139, 106459956, 124203282, 127118852, 163438524, 186304923, 190678278, 248406564, 286017417, 322337089, 372609846, 381356556, 572034834, 644674178, 745219692, 967011267, 1144069668, 1289348356, 1934022534, 2256359623, 2901033801, 3868045068, 4512719246, 5802067602, 6769078869, 9025438492, 11604135204, 13538157738, 20307236607, 27076315476, 40614473214, 81228946428]

約数ペア:

[(1, 81228946428), (2, 40614473214), (3, 27076315476), (4, 20307236607), (6, 13538157738), (7, 11604135204), (9, 9025438492), (12, 6769078869), (14, 5802067602), (18, 4512719246), (21, 3868045068), (28, 2901033801), (36, 2256359623), (42, 1934022534), (63, 1289348356), (71, 1144069668), (84, 967011267), (109, 745219692), (126, 644674178), (142, 572034834), (213, 381356556), (218, 372609846), (252, 322337089), (284, 286017417), (327, 248406564), (426, 190678278), (436, 186304923), (497, 163438524), (639, 127118852), (654, 124203282), (763, 106459956), (852, 95339139), (981, 82802188), (994, 81719262), (1278, 63559426), (1308, 62101641), (1491, 54479508), (1526, 53229978), (1962, 41401094), (1988, 40859631), (2289, 35486652), (2556, 31779713), (2982, 27239754), (3052, 26614989), (3924, 20700547), (4473, 18159836), (4578, 17743326), (5964, 13619877), (6867, 11828884), (7739, 10496052), (8946, 9079918), (9156, 8871663), (13734, 5914442), (15478, 5248026), (17892, 4539959), (23217, 3498684), (27468, 2957221), (30956, 2624013), (41651, 1950228), (46434, 1749342), (54173, 1499436), (69651, 1166228), (83302, 975114), (92868, 874671), (108346, 749718), (124953, 650076), (139302, 583114), (162519, 499812), (166604, 487557), (216692, 374859), (249906, 325038), (278604, 291557)]