648614364

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{7681}}^1$

素因数の和:7946

約数の個数: 48

約数和(自身を含む): 1569340416

約数和(自身を除く): 920726052

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 93, 124, 186, 227, 372, 454, 681, 908, 1362, 2724, 7037, 7681, 14074, 15362, 21111, 23043, 28148, 30724, 42222, 46086, 84444, 92172, 238111, 476222, 714333, 952444, 1428666, 1743587, 2857332, 3487174, 5230761, 6974348, 10461522, 20923044, 54051197, 108102394, 162153591, 216204788, 324307182, 648614364]

約数ペア:

[(1, 648614364), (2, 324307182), (3, 216204788), (4, 162153591), (6, 108102394), (12, 54051197), (31, 20923044), (62, 10461522), (93, 6974348), (124, 5230761), (186, 3487174), (227, 2857332), (372, 1743587), (454, 1428666), (681, 952444), (908, 714333), (1362, 476222), (2724, 238111), (7037, 92172), (7681, 84444), (14074, 46086), (15362, 42222), (21111, 30724), (23043, 28148)]