391690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:174

約数の個数: 32

約数和(自身を含む): 798336

約数和(自身を除く): 406646

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 131, 230, 262, 299, 598, 655, 1310, 1495, 1703, 2990, 3013, 3406, 6026, 8515, 15065, 17030, 30130, 39169, 78338, 195845, 391690]

約数ペア:

[(1, 391690), (2, 195845), (5, 78338), (10, 39169), (13, 30130), (23, 17030), (26, 15065), (46, 8515), (65, 6026), (115, 3406), (130, 3013), (131, 2990), (230, 1703), (262, 1495), (299, 1310), (598, 655)]