28665686

素因数分解:

$2^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{5519}}^1$

素因数の和:5588

約数の個数: 24

約数和(自身を含む): 50971680

約数和(自身を除く): 22305994

約数列:

[1, 2, 7, 14, 49, 53, 98, 106, 371, 742, 2597, 5194, 5519, 11038, 38633, 77266, 270431, 292507, 540862, 585014, 2047549, 4095098, 14332843, 28665686]

約数ペア:

[(1, 28665686), (2, 14332843), (7, 4095098), (14, 2047549), (49, 585014), (53, 540862), (98, 292507), (106, 270431), (371, 77266), (742, 38633), (2597, 11038), (5194, 5519)]