28181174

素因数分解:

$2^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{2099}}^1$

素因数の和:2252

約数の個数: 24

約数和(自身を含む): 49555800

約数和(自身を除く): 21374626

約数列:

[1, 2, 7, 14, 49, 98, 137, 274, 959, 1918, 2099, 4198, 6713, 13426, 14693, 29386, 102851, 205702, 287563, 575126, 2012941, 4025882, 14090587, 28181174]

約数ペア:

[(1, 28181174), (2, 14090587), (7, 4025882), (14, 2012941), (49, 575126), (98, 287563), (137, 205702), (274, 102851), (959, 29386), (1918, 14693), (2099, 13426), (4198, 6713)]