642408

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:122

約数の個数: 64

約数和(自身を含む): 1814400

約数和(自身を除く): 1171992

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 29, 39, 52, 58, 71, 78, 87, 104, 116, 142, 156, 174, 213, 232, 284, 312, 348, 377, 426, 568, 696, 754, 852, 923, 1131, 1508, 1704, 1846, 2059, 2262, 2769, 3016, 3692, 4118, 4524, 5538, 6177, 7384, 8236, 9048, 11076, 12354, 16472, 22152, 24708, 26767, 49416, 53534, 80301, 107068, 160602, 214136, 321204, 642408]

約数ペア:

[(1, 642408), (2, 321204), (3, 214136), (4, 160602), (6, 107068), (8, 80301), (12, 53534), (13, 49416), (24, 26767), (26, 24708), (29, 22152), (39, 16472), (52, 12354), (58, 11076), (71, 9048), (78, 8236), (87, 7384), (104, 6177), (116, 5538), (142, 4524), (156, 4118), (174, 3692), (213, 3016), (232, 2769), (284, 2262), (312, 2059), (348, 1846), (377, 1704), (426, 1508), (568, 1131), (696, 923), (754, 852)]