387508486405

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{131581829}}^1$

素因数の和:131581884

約数の個数: 16

約数和(自身を含む): 505274227200

約数和(自身を除く): 117765740795

約数列:

[1, 5, 19, 31, 95, 155, 589, 2945, 131581829, 657909145, 2500054751, 4079036699, 12500273755, 20395183495, 77501697281, 387508486405]

約数ペア:

[(1, 387508486405), (5, 77501697281), (19, 20395183495), (31, 12500273755), (95, 4079036699), (155, 2500054751), (589, 657909145), (2945, 131581829)]