171942305

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{449}}^1$

素因数の和:641

約数の個数: 32

約数和(自身を含む): 226800000

約数和(自身を除く): 54857695

約数列:

[1, 5, 19, 29, 95, 139, 145, 449, 551, 695, 2245, 2641, 2755, 4031, 8531, 13021, 13205, 20155, 42655, 62411, 65105, 76589, 247399, 312055, 382945, 1185809, 1236995, 1809919, 5929045, 9049595, 34388461, 171942305]

約数ペア:

[(1, 171942305), (5, 34388461), (19, 9049595), (29, 5929045), (95, 1809919), (139, 1236995), (145, 1185809), (449, 382945), (551, 312055), (695, 247399), (2245, 76589), (2641, 65105), (2755, 62411), (4031, 42655), (8531, 20155), (13021, 13205)]