215151690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{551671}}^1$

素因数の和:551694

約数の個数: 32

約数和(自身を含む): 556085376

約数和(自身を除く): 340933686

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 551671, 1103342, 1655013, 2758355, 3310026, 5516710, 7171723, 8275065, 14343446, 16550130, 21515169, 35858615, 43030338, 71717230, 107575845, 215151690]

約数ペア:

[(1, 215151690), (2, 107575845), (3, 71717230), (5, 43030338), (6, 35858615), (10, 21515169), (13, 16550130), (15, 14343446), (26, 8275065), (30, 7171723), (39, 5516710), (65, 3310026), (78, 2758355), (130, 1655013), (195, 1103342), (390, 551671)]