31310032

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1381}}^1$

素因数の和:1511

約数の個数: 40

約数和(自身を含む): 65976680

約数和(自身を除く): 34666648

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 109, 208, 218, 436, 872, 1381, 1417, 1744, 2762, 2834, 5524, 5668, 11048, 11336, 17953, 22096, 22672, 35906, 71812, 143624, 150529, 287248, 301058, 602116, 1204232, 1956877, 2408464, 3913754, 7827508, 15655016, 31310032]

約数ペア:

[(1, 31310032), (2, 15655016), (4, 7827508), (8, 3913754), (13, 2408464), (16, 1956877), (26, 1204232), (52, 602116), (104, 301058), (109, 287248), (208, 150529), (218, 143624), (436, 71812), (872, 35906), (1381, 22672), (1417, 22096), (1744, 17953), (2762, 11336), (2834, 11048), (5524, 5668)]