81283495

素因数分解:

$5^1\times {\mathrm{23}}^2\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:519

約数の個数: 24

約数和(自身を含む): 103521600

約数和(自身を除く): 22238105

約数列:

[1, 5, 23, 79, 115, 389, 395, 529, 1817, 1945, 2645, 8947, 9085, 30731, 41791, 44735, 153655, 205781, 208955, 706813, 1028905, 3534065, 16256699, 81283495]

約数ペア:

[(1, 81283495), (5, 16256699), (23, 3534065), (79, 1028905), (115, 706813), (389, 208955), (395, 205781), (529, 153655), (1817, 44735), (1945, 41791), (2645, 30731), (8947, 9085)]