388655384

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{157}}^1\times {\mathrm{1831}}^1$

素因数の和:2020

約数の個数: 48

約数和(自身を含む): 794556720

約数和(自身を除く): 405901336

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 157, 169, 314, 338, 628, 676, 1256, 1352, 1831, 2041, 3662, 4082, 7324, 8164, 14648, 16328, 23803, 26533, 47606, 53066, 95212, 106132, 190424, 212264, 287467, 309439, 574934, 618878, 1149868, 1237756, 2299736, 2475512, 3737071, 7474142, 14948284, 29896568, 48581923, 97163846, 194327692, 388655384]

約数ペア:

[(1, 388655384), (2, 194327692), (4, 97163846), (8, 48581923), (13, 29896568), (26, 14948284), (52, 7474142), (104, 3737071), (157, 2475512), (169, 2299736), (314, 1237756), (338, 1149868), (628, 618878), (676, 574934), (1256, 309439), (1352, 287467), (1831, 212264), (2041, 190424), (3662, 106132), (4082, 95212), (7324, 53066), (8164, 47606), (14648, 26533), (16328, 23803)]