642876

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{317}}^1$

素因数の和:350

約数の個数: 36

約数和(自身を含む): 1629432

約数和(自身を除く): 986556

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 317, 338, 507, 634, 676, 951, 1014, 1268, 1902, 2028, 3804, 4121, 8242, 12363, 16484, 24726, 49452, 53573, 107146, 160719, 214292, 321438, 642876]

約数ペア:

[(1, 642876), (2, 321438), (3, 214292), (4, 160719), (6, 107146), (12, 53573), (13, 49452), (26, 24726), (39, 16484), (52, 12363), (78, 8242), (156, 4121), (169, 3804), (317, 2028), (338, 1902), (507, 1268), (634, 1014), (676, 951)]