256906982

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{673}}^1$

素因数の和:884

約数の個数: 32

約数和(自身を含む): 409964544

約数和(自身を除く): 153057562

約数列:

[1, 2, 31, 47, 62, 94, 131, 262, 673, 1346, 1457, 2914, 4061, 6157, 8122, 12314, 20863, 31631, 41726, 63262, 88163, 176326, 190867, 381734, 980561, 1961122, 2733053, 4143661, 5466106, 8287322, 128453491, 256906982]

約数ペア:

[(1, 256906982), (2, 128453491), (31, 8287322), (47, 5466106), (62, 4143661), (94, 2733053), (131, 1961122), (262, 980561), (673, 381734), (1346, 190867), (1457, 176326), (2914, 88163), (4061, 63262), (6157, 41726), (8122, 31631), (12314, 20863)]