258138484

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{683}}^1\times {\mathrm{4973}}^1$

素因数の和:5679

約数の個数: 24

約数和(自身を含む): 476310240

約数和(自身を除く): 218171756

約数列:

[1, 2, 4, 19, 38, 76, 683, 1366, 2732, 4973, 9946, 12977, 19892, 25954, 51908, 94487, 188974, 377948, 3396559, 6793118, 13586236, 64534621, 129069242, 258138484]

約数ペア:

[(1, 258138484), (2, 129069242), (4, 64534621), (19, 13586236), (38, 6793118), (76, 3396559), (683, 377948), (1366, 188974), (2732, 94487), (4973, 51908), (9946, 25954), (12977, 19892)]