389901752

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{27551}}^1$

素因数の和:27647

約数の個数: 32

約数和(自身を含む): 768700800

約数和(自身を除く): 378799048

約数列:

[1, 2, 4, 8, 29, 58, 61, 116, 122, 232, 244, 488, 1769, 3538, 7076, 14152, 27551, 55102, 110204, 220408, 798979, 1597958, 1680611, 3195916, 3361222, 6391832, 6722444, 13444888, 48737719, 97475438, 194950876, 389901752]

約数ペア:

[(1, 389901752), (2, 194950876), (4, 97475438), (8, 48737719), (29, 13444888), (58, 6722444), (61, 6391832), (116, 3361222), (122, 3195916), (232, 1680611), (244, 1597958), (488, 798979), (1769, 220408), (3538, 110204), (7076, 55102), (14152, 27551)]