28558816

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^2$

素因数の和:192

約数の個数: 72

約数和(自身を含む): 66901464

約数和(自身を除く): 38342648

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 79, 88, 104, 143, 158, 176, 208, 286, 316, 352, 416, 572, 632, 869, 1027, 1144, 1264, 1738, 2054, 2288, 2528, 3476, 4108, 4576, 6241, 6952, 8216, 11297, 12482, 13904, 16432, 22594, 24964, 27808, 32864, 45188, 49928, 68651, 81133, 90376, 99856, 137302, 162266, 180752, 199712, 274604, 324532, 361504, 549208, 649064, 892463, 1098416, 1298128, 1784926, 2196832, 2596256, 3569852, 7139704, 14279408, 28558816]

約数ペア:

[(1, 28558816), (2, 14279408), (4, 7139704), (8, 3569852), (11, 2596256), (13, 2196832), (16, 1784926), (22, 1298128), (26, 1098416), (32, 892463), (44, 649064), (52, 549208), (79, 361504), (88, 324532), (104, 274604), (143, 199712), (158, 180752), (176, 162266), (208, 137302), (286, 99856), (316, 90376), (352, 81133), (416, 68651), (572, 49928), (632, 45188), (869, 32864), (1027, 27808), (1144, 24964), (1264, 22594), (1738, 16432), (2054, 13904), (2288, 12482), (2528, 11297), (3476, 8216), (4108, 6952), (4576, 6241)]