171402985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{311}}^1$

素因数の和:529

約数の個数: 32

約数和(自身を含む): 227485440

約数和(自身を除く): 56082455

約数列:

[1, 5, 13, 61, 65, 139, 305, 311, 695, 793, 1555, 1807, 3965, 4043, 8479, 9035, 18971, 20215, 42395, 43229, 94855, 110227, 216145, 246623, 551135, 561977, 1233115, 2636969, 2809885, 13184845, 34280597, 171402985]

約数ペア:

[(1, 171402985), (5, 34280597), (13, 13184845), (61, 2809885), (65, 2636969), (139, 1233115), (305, 561977), (311, 551135), (695, 246623), (793, 216145), (1555, 110227), (1807, 94855), (3965, 43229), (4043, 42395), (8479, 20215), (9035, 18971)]