28475390

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{659}}^1$

素因数の和:844

約数の個数: 32

約数和(自身を含む): 53460000

約数和(自身を除く): 24984610

約数列:

[1, 2, 5, 10, 29, 58, 145, 149, 290, 298, 659, 745, 1318, 1490, 3295, 4321, 6590, 8642, 19111, 21605, 38222, 43210, 95555, 98191, 191110, 196382, 490955, 981910, 2847539, 5695078, 14237695, 28475390]

約数ペア:

[(1, 28475390), (2, 14237695), (5, 5695078), (10, 2847539), (29, 981910), (58, 490955), (145, 196382), (149, 191110), (290, 98191), (298, 95555), (659, 43210), (745, 38222), (1318, 21605), (1490, 19111), (3295, 8642), (4321, 6590)]