89198915

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{907}}^1$

素因数の和:1031

約数の個数: 32

約数和(自身を含む): 123560640

約数和(自身を除く): 34361725

約数列:

[1, 5, 13, 17, 65, 85, 89, 221, 445, 907, 1105, 1157, 1513, 4535, 5785, 7565, 11791, 15419, 19669, 58955, 77095, 80723, 98345, 200447, 403615, 1002235, 1049399, 1372291, 5246995, 6861455, 17839783, 89198915]

約数ペア:

[(1, 89198915), (5, 17839783), (13, 6861455), (17, 5246995), (65, 1372291), (85, 1049399), (89, 1002235), (221, 403615), (445, 200447), (907, 98345), (1105, 80723), (1157, 77095), (1513, 58955), (4535, 19669), (5785, 15419), (7565, 11791)]