331365736

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{137}}^1\times {\mathrm{1789}}^1$

素因数の和:1958

約数の個数: 48

約数和(自身を含む): 678069900

約数和(自身を除く): 346704164

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 137, 169, 274, 338, 548, 676, 1096, 1352, 1781, 1789, 3562, 3578, 7124, 7156, 14248, 14312, 23153, 23257, 46306, 46514, 92612, 93028, 185224, 186056, 245093, 302341, 490186, 604682, 980372, 1209364, 1960744, 2418728, 3186209, 6372418, 12744836, 25489672, 41420717, 82841434, 165682868, 331365736]

約数ペア:

[(1, 331365736), (2, 165682868), (4, 82841434), (8, 41420717), (13, 25489672), (26, 12744836), (52, 6372418), (104, 3186209), (137, 2418728), (169, 1960744), (274, 1209364), (338, 980372), (548, 604682), (676, 490186), (1096, 302341), (1352, 245093), (1781, 186056), (1789, 185224), (3562, 93028), (3578, 92612), (7124, 46514), (7156, 46306), (14248, 23257), (14312, 23153)]