131503218

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:324

約数の個数: 128

約数和(自身を含む): 351682560

約数和(自身を除く): 220179342

約数列:

[1, 2, 3, 6, 7, 11, 14, 19, 21, 22, 33, 38, 42, 57, 66, 71, 77, 114, 133, 142, 154, 209, 211, 213, 231, 266, 399, 418, 422, 426, 462, 497, 627, 633, 781, 798, 994, 1254, 1266, 1349, 1463, 1477, 1491, 1562, 2321, 2343, 2698, 2926, 2954, 2982, 4009, 4047, 4389, 4431, 4642, 4686, 5467, 6963, 8018, 8094, 8778, 8862, 9443, 10934, 12027, 13926, 14839, 14981, 16247, 16401, 18886, 24054, 28063, 28329, 29678, 29962, 32494, 32802, 44099, 44517, 44943, 48741, 56126, 56658, 84189, 88198, 89034, 89886, 97482, 103873, 104867, 132297, 164791, 168378, 207746, 209734, 264594, 284639, 308693, 311619, 314601, 329582, 494373, 569278, 617386, 623238, 629202, 853917, 926079, 988746, 1153537, 1707834, 1852158, 1992473, 2307074, 3131029, 3460611, 3984946, 5977419, 6262058, 6921222, 9393087, 11954838, 18786174, 21917203, 43834406, 65751609, 131503218]

約数ペア:

[(1, 131503218), (2, 65751609), (3, 43834406), (6, 21917203), (7, 18786174), (11, 11954838), (14, 9393087), (19, 6921222), (21, 6262058), (22, 5977419), (33, 3984946), (38, 3460611), (42, 3131029), (57, 2307074), (66, 1992473), (71, 1852158), (77, 1707834), (114, 1153537), (133, 988746), (142, 926079), (154, 853917), (209, 629202), (211, 623238), (213, 617386), (231, 569278), (266, 494373), (399, 329582), (418, 314601), (422, 311619), (426, 308693), (462, 284639), (497, 264594), (627, 209734), (633, 207746), (781, 168378), (798, 164791), (994, 132297), (1254, 104867), (1266, 103873), (1349, 97482), (1463, 89886), (1477, 89034), (1491, 88198), (1562, 84189), (2321, 56658), (2343, 56126), (2698, 48741), (2926, 44943), (2954, 44517), (2982, 44099), (4009, 32802), (4047, 32494), (4389, 29962), (4431, 29678), (4642, 28329), (4686, 28063), (5467, 24054), (6963, 18886), (8018, 16401), (8094, 16247), (8778, 14981), (8862, 14839), (9443, 13926), (10934, 12027)]