206857945

素因数分解:

$5^1\times 7^1\times {\mathrm{79}}^2\times {\mathrm{947}}^1$

素因数の和:1117

約数の個数: 24

約数和(自身を含む): 287630784

約数和(自身を除く): 80772839

約数列:

[1, 5, 7, 35, 79, 395, 553, 947, 2765, 4735, 6241, 6629, 31205, 33145, 43687, 74813, 218435, 374065, 523691, 2618455, 5910227, 29551135, 41371589, 206857945]

約数ペア:

[(1, 206857945), (5, 41371589), (7, 29551135), (35, 5910227), (79, 2618455), (395, 523691), (553, 374065), (947, 218435), (2765, 74813), (4735, 43687), (6241, 33145), (6629, 31205)]