721658664

素因数分解:

$2^3\times 3^2\times {\mathrm{157}}^1\times {\mathrm{63841}}^1$

素因数の和:64010

約数の個数: 48

約数和(自身を含む): 1966972020

約数和(自身を除く): 1245313356

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 157, 314, 471, 628, 942, 1256, 1413, 1884, 2826, 3768, 5652, 11304, 63841, 127682, 191523, 255364, 383046, 510728, 574569, 766092, 1149138, 1532184, 2298276, 4596552, 10023037, 20046074, 30069111, 40092148, 60138222, 80184296, 90207333, 120276444, 180414666, 240552888, 360829332, 721658664]

約数ペア:

[(1, 721658664), (2, 360829332), (3, 240552888), (4, 180414666), (6, 120276444), (8, 90207333), (9, 80184296), (12, 60138222), (18, 40092148), (24, 30069111), (36, 20046074), (72, 10023037), (157, 4596552), (314, 2298276), (471, 1532184), (628, 1149138), (942, 766092), (1256, 574569), (1413, 510728), (1884, 383046), (2826, 255364), (3768, 191523), (5652, 127682), (11304, 63841)]