28796872

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{677}}^1$

素因数の和:1105

約数の個数: 32

約数和(自身を含む): 58375800

約数和(自身を除く): 29578928

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 409, 677, 818, 1354, 1636, 2708, 3272, 5317, 5416, 8801, 10634, 17602, 21268, 35204, 42536, 70408, 276893, 553786, 1107572, 2215144, 3599609, 7199218, 14398436, 28796872]

約数ペア:

[(1, 28796872), (2, 14398436), (4, 7199218), (8, 3599609), (13, 2215144), (26, 1107572), (52, 553786), (104, 276893), (409, 70408), (677, 42536), (818, 35204), (1354, 21268), (1636, 17602), (2708, 10634), (3272, 8801), (5317, 5416)]