28655275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1319}}^1$

素因数の和:1419

約数の個数: 24

約数和(自身を含む): 39283200

約数和(自身を除く): 10627925

約数列:

[1, 5, 11, 25, 55, 79, 275, 395, 869, 1319, 1975, 4345, 6595, 14509, 21725, 32975, 72545, 104201, 362725, 521005, 1146211, 2605025, 5731055, 28655275]

約数ペア:

[(1, 28655275), (5, 5731055), (11, 2605025), (25, 1146211), (55, 521005), (79, 362725), (275, 104201), (395, 72545), (869, 32975), (1319, 21725), (1975, 14509), (4345, 6595)]