28629685

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:405

約数の個数: 32

約数和(自身を含む): 40932864

約数和(自身を除く): 12303179

約数列:

[1, 5, 7, 35, 41, 71, 205, 281, 287, 355, 497, 1405, 1435, 1967, 2485, 2911, 9835, 11521, 14555, 19951, 20377, 57605, 80647, 99755, 101885, 139657, 403235, 698285, 817991, 4089955, 5725937, 28629685]

約数ペア:

[(1, 28629685), (5, 5725937), (7, 4089955), (35, 817991), (41, 698285), (71, 403235), (205, 139657), (281, 101885), (287, 99755), (355, 80647), (497, 57605), (1405, 20377), (1435, 19951), (1967, 14555), (2485, 11521), (2911, 9835)]