131218428

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{401}}^1$

素因数の和:523

約数の個数: 96

約数和(自身を含む): 349026048

約数和(自身を除く): 217807620

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 37, 44, 66, 67, 74, 111, 132, 134, 148, 201, 222, 268, 401, 402, 407, 444, 737, 802, 804, 814, 1203, 1221, 1474, 1604, 1628, 2211, 2406, 2442, 2479, 2948, 4411, 4422, 4812, 4884, 4958, 7437, 8822, 8844, 9916, 13233, 14837, 14874, 17644, 26466, 26867, 27269, 29674, 29748, 44511, 52932, 53734, 54538, 59348, 80601, 81807, 89022, 107468, 109076, 161202, 163207, 163614, 178044, 295537, 322404, 326414, 327228, 489621, 591074, 652828, 886611, 979242, 994079, 1182148, 1773222, 1958484, 1988158, 2982237, 3546444, 3976316, 5964474, 10934869, 11928948, 21869738, 32804607, 43739476, 65609214, 131218428]

約数ペア:

[(1, 131218428), (2, 65609214), (3, 43739476), (4, 32804607), (6, 21869738), (11, 11928948), (12, 10934869), (22, 5964474), (33, 3976316), (37, 3546444), (44, 2982237), (66, 1988158), (67, 1958484), (74, 1773222), (111, 1182148), (132, 994079), (134, 979242), (148, 886611), (201, 652828), (222, 591074), (268, 489621), (401, 327228), (402, 326414), (407, 322404), (444, 295537), (737, 178044), (802, 163614), (804, 163207), (814, 161202), (1203, 109076), (1221, 107468), (1474, 89022), (1604, 81807), (1628, 80601), (2211, 59348), (2406, 54538), (2442, 53734), (2479, 52932), (2948, 44511), (4411, 29748), (4422, 29674), (4812, 27269), (4884, 26867), (4958, 26466), (7437, 17644), (8822, 14874), (8844, 14837), (9916, 13233)]