31971472

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:248

約数の個数: 80

約数和(自身を含む): 71745408

約数和(自身を除く): 39773936

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 41, 46, 52, 82, 92, 104, 163, 164, 184, 208, 299, 326, 328, 368, 533, 598, 652, 656, 943, 1066, 1196, 1304, 1886, 2119, 2132, 2392, 2608, 3749, 3772, 4238, 4264, 4784, 6683, 7498, 7544, 8476, 8528, 12259, 13366, 14996, 15088, 16952, 24518, 26732, 29992, 33904, 48737, 49036, 53464, 59984, 86879, 97474, 98072, 106928, 153709, 173758, 194948, 196144, 307418, 347516, 389896, 614836, 695032, 779792, 1229672, 1390064, 1998217, 2459344, 3996434, 7992868, 15985736, 31971472]

約数ペア:

[(1, 31971472), (2, 15985736), (4, 7992868), (8, 3996434), (13, 2459344), (16, 1998217), (23, 1390064), (26, 1229672), (41, 779792), (46, 695032), (52, 614836), (82, 389896), (92, 347516), (104, 307418), (163, 196144), (164, 194948), (184, 173758), (208, 153709), (299, 106928), (326, 98072), (328, 97474), (368, 86879), (533, 59984), (598, 53464), (652, 49036), (656, 48737), (943, 33904), (1066, 29992), (1196, 26732), (1304, 24518), (1886, 16952), (2119, 15088), (2132, 14996), (2392, 13366), (2608, 12259), (3749, 8528), (3772, 8476), (4238, 7544), (4264, 7498), (4784, 6683)]