181398145

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{281}}^1$

素因数の和:441

約数の個数: 32

約数和(自身を含む): 231952896

約数和(自身を除く): 50554751

約数列:

[1, 5, 41, 47, 67, 205, 235, 281, 335, 1405, 1927, 2747, 3149, 9635, 11521, 13207, 13735, 15745, 18827, 57605, 66035, 94135, 129109, 541487, 645545, 771907, 884869, 2707435, 3859535, 4424345, 36279629, 181398145]

約数ペア:

[(1, 181398145), (5, 36279629), (41, 4424345), (47, 3859535), (67, 2707435), (205, 884869), (235, 771907), (281, 645545), (335, 541487), (1405, 129109), (1927, 94135), (2747, 66035), (3149, 57605), (9635, 18827), (11521, 15745), (13207, 13735)]