1978667873

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{971}}^1$

素因数の和:1462

約数の個数: 32

約数和(自身を含む): 2492985600

約数和(自身を除く): 514317727

約数列:

[1, 7, 13, 49, 91, 343, 457, 637, 971, 3199, 4459, 5941, 6797, 12623, 22393, 41587, 47579, 88361, 156751, 291109, 333053, 443747, 618527, 2037763, 3106229, 4329689, 5768711, 21743603, 40380977, 152205221, 282666839, 1978667873]

約数ペア:

[(1, 1978667873), (7, 282666839), (13, 152205221), (49, 40380977), (91, 21743603), (343, 5768711), (457, 4329689), (637, 3106229), (971, 2037763), (3199, 618527), (4459, 443747), (5941, 333053), (6797, 291109), (12623, 156751), (22393, 88361), (41587, 47579)]