386375984

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{431}}^1\times {\mathrm{1303}}^1$

素因数の和:1785

約数の個数: 40

約数和(自身を含む): 768379392

約数和(自身を除く): 382003408

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 431, 688, 862, 1303, 1724, 2606, 3448, 5212, 6896, 10424, 18533, 20848, 37066, 56029, 74132, 112058, 148264, 224116, 296528, 448232, 561593, 896464, 1123186, 2246372, 4492744, 8985488, 24148499, 48296998, 96593996, 193187992, 386375984]

約数ペア:

[(1, 386375984), (2, 193187992), (4, 96593996), (8, 48296998), (16, 24148499), (43, 8985488), (86, 4492744), (172, 2246372), (344, 1123186), (431, 896464), (688, 561593), (862, 448232), (1303, 296528), (1724, 224116), (2606, 148264), (3448, 112058), (5212, 74132), (6896, 56029), (10424, 37066), (18533, 20848)]