12705012

素因数分解:

$2^2\times 3^6\times {\mathrm{4357}}^1$

素因数の和:4379

約数の個数: 42

約数和(自身を含む): 33343058

約数和(自身を除く): 20638046

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 729, 972, 1458, 2916, 4357, 8714, 13071, 17428, 26142, 39213, 52284, 78426, 117639, 156852, 235278, 352917, 470556, 705834, 1058751, 1411668, 2117502, 3176253, 4235004, 6352506, 12705012]

約数ペア:

[(1, 12705012), (2, 6352506), (3, 4235004), (4, 3176253), (6, 2117502), (9, 1411668), (12, 1058751), (18, 705834), (27, 470556), (36, 352917), (54, 235278), (81, 156852), (108, 117639), (162, 78426), (243, 52284), (324, 39213), (486, 26142), (729, 17428), (972, 13071), (1458, 8714), (2916, 4357)]