173889690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{445871}}^1$

素因数の和:445894

約数の個数: 32

約数和(自身を含む): 449438976

約数和(自身を除く): 275549286

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 445871, 891742, 1337613, 2229355, 2675226, 4458710, 5796323, 6688065, 11592646, 13376130, 17388969, 28981615, 34777938, 57963230, 86944845, 173889690]

約数ペア:

[(1, 173889690), (2, 86944845), (3, 57963230), (5, 34777938), (6, 28981615), (10, 17388969), (13, 13376130), (15, 11592646), (26, 6688065), (30, 5796323), (39, 4458710), (65, 2675226), (78, 2229355), (130, 1337613), (195, 891742), (390, 445871)]