28875730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{1471}}^1$

素因数の和:1642

約数の個数: 32

約数和(自身を含む): 56383488

約数和(自身を除く): 27507758

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 151, 302, 755, 1471, 1510, 1963, 2942, 3926, 7355, 9815, 14710, 19123, 19630, 38246, 95615, 191230, 222121, 444242, 1110605, 2221210, 2887573, 5775146, 14437865, 28875730]

約数ペア:

[(1, 28875730), (2, 14437865), (5, 5775146), (10, 2887573), (13, 2221210), (26, 1110605), (65, 444242), (130, 222121), (151, 191230), (302, 95615), (755, 38246), (1471, 19630), (1510, 19123), (1963, 14710), (2942, 9815), (3926, 7355)]