128951228

素因数分解:

$2^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{36263}}^1$

素因数の和:36401

約数の個数: 24

約数和(自身を含む): 259940352

約数和(自身を除く): 130989124

約数列:

[1, 2, 4, 7, 14, 28, 127, 254, 508, 889, 1778, 3556, 36263, 72526, 145052, 253841, 507682, 1015364, 4605401, 9210802, 18421604, 32237807, 64475614, 128951228]

約数ペア:

[(1, 128951228), (2, 64475614), (4, 32237807), (7, 18421604), (14, 9210802), (28, 4605401), (127, 1015364), (254, 507682), (508, 253841), (889, 145052), (1778, 72526), (3556, 36263)]