173897490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{445891}}^1$

素因数の和:445914

約数の個数: 32

約数和(自身を含む): 449459136

約数和(自身を除く): 275561646

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 445891, 891782, 1337673, 2229455, 2675346, 4458910, 5796583, 6688365, 11593166, 13376730, 17389749, 28982915, 34779498, 57965830, 86948745, 173897490]

約数ペア:

[(1, 173897490), (2, 86948745), (3, 57965830), (5, 34779498), (6, 28982915), (10, 17389749), (13, 13376730), (15, 11593166), (26, 6688365), (30, 5796583), (39, 4458910), (65, 2675346), (78, 2229455), (130, 1337673), (195, 891782), (390, 445891)]