31275468

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1571}}^1$

素因数の和:1667

約数の個数: 72

約数和(自身を含む): 91553280

約数和(自身を除く): 60277812

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 79, 84, 126, 158, 237, 252, 316, 474, 553, 711, 948, 1106, 1422, 1571, 1659, 2212, 2844, 3142, 3318, 4713, 4977, 6284, 6636, 9426, 9954, 10997, 14139, 18852, 19908, 21994, 28278, 32991, 43988, 56556, 65982, 98973, 124109, 131964, 197946, 248218, 372327, 395892, 496436, 744654, 868763, 1116981, 1489308, 1737526, 2233962, 2606289, 3475052, 4467924, 5212578, 7818867, 10425156, 15637734, 31275468]

約数ペア:

[(1, 31275468), (2, 15637734), (3, 10425156), (4, 7818867), (6, 5212578), (7, 4467924), (9, 3475052), (12, 2606289), (14, 2233962), (18, 1737526), (21, 1489308), (28, 1116981), (36, 868763), (42, 744654), (63, 496436), (79, 395892), (84, 372327), (126, 248218), (158, 197946), (237, 131964), (252, 124109), (316, 98973), (474, 65982), (553, 56556), (711, 43988), (948, 32991), (1106, 28278), (1422, 21994), (1571, 19908), (1659, 18852), (2212, 14139), (2844, 10997), (3142, 9954), (3318, 9426), (4713, 6636), (4977, 6284)]