261072396

素因数分解:

$2^2\times 3^6\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:203

約数の個数: 168

約数和(自身を含む): 755796384

約数和(自身を除く): 494723988

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 71, 78, 81, 97, 108, 117, 142, 156, 162, 194, 213, 234, 243, 284, 291, 324, 351, 388, 426, 468, 486, 582, 639, 702, 729, 852, 873, 923, 972, 1053, 1164, 1261, 1278, 1404, 1458, 1746, 1846, 1917, 2106, 2522, 2556, 2619, 2769, 2916, 3159, 3492, 3692, 3783, 3834, 4212, 5044, 5238, 5538, 5751, 6318, 6887, 7566, 7668, 7857, 8307, 9477, 10476, 11076, 11349, 11502, 12636, 13774, 15132, 15714, 16614, 17253, 18954, 20661, 22698, 23004, 23571, 24921, 27548, 31428, 33228, 34047, 34506, 37908, 41322, 45396, 47142, 49842, 51759, 61983, 68094, 69012, 70713, 74763, 82644, 89531, 94284, 99684, 102141, 103518, 123966, 136188, 141426, 149526, 179062, 185949, 204282, 207036, 224289, 247932, 268593, 282852, 299052, 306423, 358124, 371898, 408564, 448578, 537186, 557847, 612846, 672867, 743796, 805779, 897156, 919269, 1074372, 1115694, 1225692, 1345734, 1611558, 1673541, 1838538, 2231388, 2417337, 2691468, 3223116, 3347082, 3677076, 4834674, 5020623, 6694164, 7252011, 9669348, 10041246, 14504022, 20082492, 21756033, 29008044, 43512066, 65268099, 87024132, 130536198, 261072396]

約数ペア:

[(1, 261072396), (2, 130536198), (3, 87024132), (4, 65268099), (6, 43512066), (9, 29008044), (12, 21756033), (13, 20082492), (18, 14504022), (26, 10041246), (27, 9669348), (36, 7252011), (39, 6694164), (52, 5020623), (54, 4834674), (71, 3677076), (78, 3347082), (81, 3223116), (97, 2691468), (108, 2417337), (117, 2231388), (142, 1838538), (156, 1673541), (162, 1611558), (194, 1345734), (213, 1225692), (234, 1115694), (243, 1074372), (284, 919269), (291, 897156), (324, 805779), (351, 743796), (388, 672867), (426, 612846), (468, 557847), (486, 537186), (582, 448578), (639, 408564), (702, 371898), (729, 358124), (852, 306423), (873, 299052), (923, 282852), (972, 268593), (1053, 247932), (1164, 224289), (1261, 207036), (1278, 204282), (1404, 185949), (1458, 179062), (1746, 149526), (1846, 141426), (1917, 136188), (2106, 123966), (2522, 103518), (2556, 102141), (2619, 99684), (2769, 94284), (2916, 89531), (3159, 82644), (3492, 74763), (3692, 70713), (3783, 69012), (3834, 68094), (4212, 61983), (5044, 51759), (5238, 49842), (5538, 47142), (5751, 45396), (6318, 41322), (6887, 37908), (7566, 34506), (7668, 34047), (7857, 33228), (8307, 31428), (9477, 27548), (10476, 24921), (11076, 23571), (11349, 23004), (11502, 22698), (12636, 20661), (13774, 18954), (15132, 17253), (15714, 16614)]