128435528

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{14879}}^1$

素因数の和:14981

約数の個数: 32

約数和(自身を含む): 262483200

約数和(自身を除く): 134047672

約数列:

[1, 2, 4, 8, 13, 26, 52, 83, 104, 166, 332, 664, 1079, 2158, 4316, 8632, 14879, 29758, 59516, 119032, 193427, 386854, 773708, 1234957, 1547416, 2469914, 4939828, 9879656, 16054441, 32108882, 64217764, 128435528]

約数ペア:

[(1, 128435528), (2, 64217764), (4, 32108882), (8, 16054441), (13, 9879656), (26, 4939828), (52, 2469914), (83, 1547416), (104, 1234957), (166, 773708), (332, 386854), (664, 193427), (1079, 119032), (2158, 59516), (4316, 29758), (8632, 14879)]