168809915

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{821}}^1$

素因数の和:943

約数の個数: 32

約数和(自身を含む): 223715520

約数和(自身を除く): 54905605

約数列:

[1, 5, 17, 41, 59, 85, 205, 295, 697, 821, 1003, 2419, 3485, 4105, 5015, 12095, 13957, 33661, 41123, 48439, 69785, 168305, 205615, 242195, 572237, 823463, 1985999, 2861185, 4117315, 9929995, 33761983, 168809915]

約数ペア:

[(1, 168809915), (5, 33761983), (17, 9929995), (41, 4117315), (59, 2861185), (85, 1985999), (205, 823463), (295, 572237), (697, 242195), (821, 205615), (1003, 168305), (2419, 69785), (3485, 48439), (4105, 41123), (5015, 33661), (12095, 13957)]