28664688

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{647}}^1$

素因数の和:742

約数の個数: 80

約数和(自身を含む): 80994816

約数和(自身を除く): 52330128

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 71, 78, 104, 142, 156, 208, 213, 284, 312, 426, 568, 624, 647, 852, 923, 1136, 1294, 1704, 1846, 1941, 2588, 2769, 3408, 3692, 3882, 5176, 5538, 7384, 7764, 8411, 10352, 11076, 14768, 15528, 16822, 22152, 25233, 31056, 33644, 44304, 45937, 50466, 67288, 91874, 100932, 134576, 137811, 183748, 201864, 275622, 367496, 403728, 551244, 597181, 734992, 1102488, 1194362, 1791543, 2204976, 2388724, 3583086, 4777448, 7166172, 9554896, 14332344, 28664688]

約数ペア:

[(1, 28664688), (2, 14332344), (3, 9554896), (4, 7166172), (6, 4777448), (8, 3583086), (12, 2388724), (13, 2204976), (16, 1791543), (24, 1194362), (26, 1102488), (39, 734992), (48, 597181), (52, 551244), (71, 403728), (78, 367496), (104, 275622), (142, 201864), (156, 183748), (208, 137811), (213, 134576), (284, 100932), (312, 91874), (426, 67288), (568, 50466), (624, 45937), (647, 44304), (852, 33644), (923, 31056), (1136, 25233), (1294, 22152), (1704, 16822), (1846, 15528), (1941, 14768), (2588, 11076), (2769, 10352), (3408, 8411), (3692, 7764), (3882, 7384), (5176, 5538)]