318679921

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{167}}^1$

素因数の和:385

約数の個数: 32

約数和(自身を含む): 384975360

約数和(自身を除く): 66295439

約数列:

[1, 7, 41, 61, 109, 167, 287, 427, 763, 1169, 2501, 4469, 6649, 6847, 10187, 17507, 18203, 31283, 46543, 47929, 71309, 127421, 272609, 417667, 746323, 1110383, 1908263, 2923669, 5224261, 7772681, 45525703, 318679921]

約数ペア:

[(1, 318679921), (7, 45525703), (41, 7772681), (61, 5224261), (109, 2923669), (167, 1908263), (287, 1110383), (427, 746323), (763, 417667), (1169, 272609), (2501, 127421), (4469, 71309), (6649, 47929), (6847, 46543), (10187, 31283), (17507, 18203)]