31899905

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 42293664

約数和(自身を除く): 10393759

約数列:

[1, 5, 17, 53, 73, 85, 97, 265, 365, 485, 901, 1241, 1649, 3869, 4505, 5141, 6205, 7081, 8245, 19345, 25705, 35405, 65773, 87397, 120377, 328865, 375293, 436985, 601885, 1876465, 6379981, 31899905]

約数ペア:

[(1, 31899905), (5, 6379981), (17, 1876465), (53, 601885), (73, 436985), (85, 375293), (97, 328865), (265, 120377), (365, 87397), (485, 65773), (901, 35405), (1241, 25705), (1649, 19345), (3869, 8245), (4505, 7081), (5141, 6205)]