647472

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:106

約数の個数: 80

約数和(自身を含む): 1999872

約数和(自身を除く): 1352400

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 41, 42, 47, 48, 56, 82, 84, 94, 112, 123, 141, 164, 168, 188, 246, 282, 287, 328, 329, 336, 376, 492, 564, 574, 656, 658, 752, 861, 984, 987, 1128, 1148, 1316, 1722, 1927, 1968, 1974, 2256, 2296, 2632, 3444, 3854, 3948, 4592, 5264, 5781, 6888, 7708, 7896, 11562, 13489, 13776, 15416, 15792, 23124, 26978, 30832, 40467, 46248, 53956, 80934, 92496, 107912, 161868, 215824, 323736, 647472]

約数ペア:

[(1, 647472), (2, 323736), (3, 215824), (4, 161868), (6, 107912), (7, 92496), (8, 80934), (12, 53956), (14, 46248), (16, 40467), (21, 30832), (24, 26978), (28, 23124), (41, 15792), (42, 15416), (47, 13776), (48, 13489), (56, 11562), (82, 7896), (84, 7708), (94, 6888), (112, 5781), (123, 5264), (141, 4592), (164, 3948), (168, 3854), (188, 3444), (246, 2632), (282, 2296), (287, 2256), (328, 1974), (329, 1968), (336, 1927), (376, 1722), (492, 1316), (564, 1148), (574, 1128), (656, 987), (658, 984), (752, 861)]