31009990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{9721}}^1$

素因数の和:9768

約数の個数: 32

約数和(自身を含む): 62998560

約数和(自身を除く): 31988570

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 110, 145, 290, 319, 638, 1595, 3190, 9721, 19442, 48605, 97210, 106931, 213862, 281909, 534655, 563818, 1069310, 1409545, 2819090, 3100999, 6201998, 15504995, 31009990]

約数ペア:

[(1, 31009990), (2, 15504995), (5, 6201998), (10, 3100999), (11, 2819090), (22, 1409545), (29, 1069310), (55, 563818), (58, 534655), (110, 281909), (145, 213862), (290, 106931), (319, 97210), (638, 48605), (1595, 19442), (3190, 9721)]