128897938

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{443}}^1$

素因数の和:527

約数の個数: 48

約数和(自身を含む): 227356416

約数和(自身を除く): 98458478

約数列:

[1, 2, 13, 19, 26, 31, 38, 62, 247, 361, 403, 443, 494, 589, 722, 806, 886, 1178, 4693, 5759, 7657, 8417, 9386, 11191, 11518, 13733, 15314, 16834, 22382, 27466, 109421, 145483, 159923, 178529, 218842, 260927, 290966, 319846, 357058, 521854, 2078999, 3392051, 4157998, 4957613, 6784102, 9915226, 64448969, 128897938]

約数ペア:

[(1, 128897938), (2, 64448969), (13, 9915226), (19, 6784102), (26, 4957613), (31, 4157998), (38, 3392051), (62, 2078999), (247, 521854), (361, 357058), (403, 319846), (443, 290966), (494, 260927), (589, 218842), (722, 178529), (806, 159923), (886, 145483), (1178, 109421), (4693, 27466), (5759, 22382), (7657, 16834), (8417, 15314), (9386, 13733), (11191, 11518)]