172440905

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{10243}}^1$

素因数の和:10305

約数の個数: 32

約数和(自身を含む): 261590784

約数和(自身を除く): 89149879

約数列:

[1, 5, 7, 13, 35, 37, 65, 91, 185, 259, 455, 481, 1295, 2405, 3367, 10243, 16835, 51215, 71701, 133159, 358505, 378991, 665795, 932113, 1894955, 2652937, 4660565, 4926883, 13264685, 24634415, 34488181, 172440905]

約数ペア:

[(1, 172440905), (5, 34488181), (7, 24634415), (13, 13264685), (35, 4926883), (37, 4660565), (65, 2652937), (91, 1894955), (185, 932113), (259, 665795), (455, 378991), (481, 358505), (1295, 133159), (2405, 71701), (3367, 51215), (10243, 16835)]