215144774

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{20533}}^1$

素因数の和:20592

約数の個数: 24

約数和(自身を含む): 360741312

約数和(自身を除く): 145596538

約数列:

[1, 2, 13, 26, 31, 62, 169, 338, 403, 806, 5239, 10478, 20533, 41066, 266929, 533858, 636523, 1273046, 3470077, 6940154, 8274799, 16549598, 107572387, 215144774]

約数ペア:

[(1, 215144774), (2, 107572387), (13, 16549598), (26, 8274799), (31, 6940154), (62, 3470077), (169, 1273046), (338, 636523), (403, 533858), (806, 266929), (5239, 41066), (10478, 20533)]