644930874

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{28279}}^1$

素因数の和:28475

約数の個数: 48

約数和(自身を含む): 1605851520

約数和(自身を除く): 960920646

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 181, 362, 543, 1086, 1267, 1629, 2534, 3258, 3801, 7602, 11403, 22806, 28279, 56558, 84837, 169674, 197953, 254511, 395906, 509022, 593859, 1187718, 1781577, 3563154, 5118499, 10236998, 15355497, 30710994, 35829493, 46066491, 71658986, 92132982, 107488479, 214976958, 322465437, 644930874]

約数ペア:

[(1, 644930874), (2, 322465437), (3, 214976958), (6, 107488479), (7, 92132982), (9, 71658986), (14, 46066491), (18, 35829493), (21, 30710994), (42, 15355497), (63, 10236998), (126, 5118499), (181, 3563154), (362, 1781577), (543, 1187718), (1086, 593859), (1267, 509022), (1629, 395906), (2534, 254511), (3258, 197953), (3801, 169674), (7602, 84837), (11403, 56558), (22806, 28279)]