28369138

素因数分解:

$2^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{2113}}^1$

素因数の和:2266

約数の個数: 24

約数和(自身を含む): 49886172

約数和(自身を除く): 21517034

約数列:

[1, 2, 7, 14, 49, 98, 137, 274, 959, 1918, 2113, 4226, 6713, 13426, 14791, 29582, 103537, 207074, 289481, 578962, 2026367, 4052734, 14184569, 28369138]

約数ペア:

[(1, 28369138), (2, 14184569), (7, 4052734), (14, 2026367), (49, 578962), (98, 289481), (137, 207074), (274, 103537), (959, 29582), (1918, 14791), (2113, 13426), (4226, 6713)]