28025296

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2011}}^1$

素因数の和:2099

約数の個数: 40

約数和(自身を含む): 59378144

約数和(自身を除く): 31352848

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 67, 104, 134, 208, 268, 536, 871, 1072, 1742, 2011, 3484, 4022, 6968, 8044, 13936, 16088, 26143, 32176, 52286, 104572, 134737, 209144, 269474, 418288, 538948, 1077896, 1751581, 2155792, 3503162, 7006324, 14012648, 28025296]

約数ペア:

[(1, 28025296), (2, 14012648), (4, 7006324), (8, 3503162), (13, 2155792), (16, 1751581), (26, 1077896), (52, 538948), (67, 418288), (104, 269474), (134, 209144), (208, 134737), (268, 104572), (536, 52286), (871, 32176), (1072, 26143), (1742, 16088), (2011, 13936), (3484, 8044), (4022, 6968)]