28064816

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:238

約数の個数: 60

約数和(自身を含む): 60043032

約数和(自身を除く): 31978216

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 97, 104, 107, 169, 194, 208, 214, 338, 388, 428, 676, 776, 856, 1261, 1352, 1391, 1552, 1712, 2522, 2704, 2782, 5044, 5564, 10088, 10379, 11128, 16393, 18083, 20176, 20758, 22256, 32786, 36166, 41516, 65572, 72332, 83032, 131144, 134927, 144664, 166064, 262288, 269854, 289328, 539708, 1079416, 1754051, 2158832, 3508102, 7016204, 14032408, 28064816]

約数ペア:

[(1, 28064816), (2, 14032408), (4, 7016204), (8, 3508102), (13, 2158832), (16, 1754051), (26, 1079416), (52, 539708), (97, 289328), (104, 269854), (107, 262288), (169, 166064), (194, 144664), (208, 134927), (214, 131144), (338, 83032), (388, 72332), (428, 65572), (676, 41516), (776, 36166), (856, 32786), (1261, 22256), (1352, 20758), (1391, 20176), (1552, 18083), (1712, 16393), (2522, 11128), (2704, 10379), (2782, 10088), (5044, 5564)]