290421742

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{5527}}^1$

素因数の和:5632

約数の個数: 32

約数和(自身を含む): 490355712

約数和(自身を除く): 199933970

約数列:

[1, 2, 13, 26, 43, 47, 86, 94, 559, 611, 1118, 1222, 2021, 4042, 5527, 11054, 26273, 52546, 71851, 143702, 237661, 259769, 475322, 519538, 3089593, 3376997, 6179186, 6753994, 11170067, 22340134, 145210871, 290421742]

約数ペア:

[(1, 290421742), (2, 145210871), (13, 22340134), (26, 11170067), (43, 6753994), (47, 6179186), (86, 3376997), (94, 3089593), (559, 519538), (611, 475322), (1118, 259769), (1222, 237661), (2021, 143702), (4042, 71851), (5527, 52546), (11054, 26273)]