85821428

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{347}}^1$

素因数の和:453

約数の個数: 72

約数和(自身を含む): 191800896

約数和(自身を除く): 105979468

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 73, 77, 121, 146, 154, 242, 292, 308, 347, 484, 511, 694, 803, 847, 1022, 1388, 1606, 1694, 2044, 2429, 3212, 3388, 3817, 4858, 5621, 7634, 8833, 9716, 11242, 15268, 17666, 22484, 25331, 26719, 35332, 41987, 50662, 53438, 61831, 83974, 101324, 106876, 123662, 167948, 177317, 247324, 278641, 293909, 354634, 557282, 587818, 709268, 1114564, 1175636, 1950487, 3065051, 3900974, 6130102, 7801948, 12260204, 21455357, 42910714, 85821428]

約数ペア:

[(1, 85821428), (2, 42910714), (4, 21455357), (7, 12260204), (11, 7801948), (14, 6130102), (22, 3900974), (28, 3065051), (44, 1950487), (73, 1175636), (77, 1114564), (121, 709268), (146, 587818), (154, 557282), (242, 354634), (292, 293909), (308, 278641), (347, 247324), (484, 177317), (511, 167948), (694, 123662), (803, 106876), (847, 101324), (1022, 83974), (1388, 61831), (1606, 53438), (1694, 50662), (2044, 41987), (2429, 35332), (3212, 26719), (3388, 25331), (3817, 22484), (4858, 17666), (5621, 15268), (7634, 11242), (8833, 9716)]