644660208

素因数分解:

$2^4\times 3^4\times {\mathrm{497423}}^1$

素因数の和:497443

約数の個数: 50

約数和(自身を含む): 1865837424

約数和(自身を除く): 1221177216

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 324, 432, 648, 1296, 497423, 994846, 1492269, 1989692, 2984538, 3979384, 4476807, 5969076, 7958768, 8953614, 11938152, 13430421, 17907228, 23876304, 26860842, 35814456, 40291263, 53721684, 71628912, 80582526, 107443368, 161165052, 214886736, 322330104, 644660208]

約数ペア:

[(1, 644660208), (2, 322330104), (3, 214886736), (4, 161165052), (6, 107443368), (8, 80582526), (9, 71628912), (12, 53721684), (16, 40291263), (18, 35814456), (24, 26860842), (27, 23876304), (36, 17907228), (48, 13430421), (54, 11938152), (72, 8953614), (81, 7958768), (108, 5969076), (144, 4476807), (162, 3979384), (216, 2984538), (324, 1989692), (432, 1492269), (648, 994846), (1296, 497423)]