420654494

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{4831}}^1$

素因数の和:5060

約数の個数: 32

約数和(自身を含む): 723292416

約数和(自身を除く): 302637922

約数列:

[1, 2, 13, 17, 26, 34, 197, 221, 394, 442, 2561, 3349, 4831, 5122, 6698, 9662, 43537, 62803, 82127, 87074, 125606, 164254, 951707, 1067651, 1903414, 2135302, 12372191, 16179019, 24744382, 32358038, 210327247, 420654494]

約数ペア:

[(1, 420654494), (2, 210327247), (13, 32358038), (17, 24744382), (26, 16179019), (34, 12372191), (197, 2135302), (221, 1903414), (394, 1067651), (442, 951707), (2561, 164254), (3349, 125606), (4831, 87074), (5122, 82127), (6698, 62803), (9662, 43537)]