12785964

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 31046400

約数和(自身を除く): 18260436

約数列:

[1, 2, 3, 4, 6, 12, 43, 71, 86, 129, 142, 172, 213, 258, 284, 349, 426, 516, 698, 852, 1047, 1396, 2094, 3053, 4188, 6106, 9159, 12212, 15007, 18318, 24779, 30014, 36636, 45021, 49558, 60028, 74337, 90042, 99116, 148674, 180084, 297348, 1065497, 2130994, 3196491, 4261988, 6392982, 12785964]

約数ペア:

[(1, 12785964), (2, 6392982), (3, 4261988), (4, 3196491), (6, 2130994), (12, 1065497), (43, 297348), (71, 180084), (86, 148674), (129, 99116), (142, 90042), (172, 74337), (213, 60028), (258, 49558), (284, 45021), (349, 36636), (426, 30014), (516, 24779), (698, 18318), (852, 15007), (1047, 12212), (1396, 9159), (2094, 6106), (3053, 4188)]