81219424

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17749}}^1$

素因数の和:17783

約数の個数: 48

約数和(自身を含む): 187866000

約数和(自身を除く): 106646576

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 88, 104, 143, 176, 208, 286, 352, 416, 572, 1144, 2288, 4576, 17749, 35498, 70996, 141992, 195239, 230737, 283984, 390478, 461474, 567968, 780956, 922948, 1561912, 1845896, 2538107, 3123824, 3691792, 5076214, 6247648, 7383584, 10152428, 20304856, 40609712, 81219424]

約数ペア:

[(1, 81219424), (2, 40609712), (4, 20304856), (8, 10152428), (11, 7383584), (13, 6247648), (16, 5076214), (22, 3691792), (26, 3123824), (32, 2538107), (44, 1845896), (52, 1561912), (88, 922948), (104, 780956), (143, 567968), (176, 461474), (208, 390478), (286, 283984), (352, 230737), (416, 195239), (572, 141992), (1144, 70996), (2288, 35498), (4576, 17749)]