207908155

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{19867}}^1$

素因数の和:19915

約数の個数: 32

約数和(自身を含む): 320431104

約数和(自身を除く): 112522949

約数列:

[1, 5, 7, 13, 23, 35, 65, 91, 115, 161, 299, 455, 805, 1495, 2093, 10465, 19867, 99335, 139069, 258271, 456941, 695345, 1291355, 1807897, 2284705, 3198587, 5940233, 9039485, 15992935, 29701165, 41581631, 207908155]

約数ペア:

[(1, 207908155), (5, 41581631), (7, 29701165), (13, 15992935), (23, 9039485), (35, 5940233), (65, 3198587), (91, 2284705), (115, 1807897), (161, 1291355), (299, 695345), (455, 456941), (805, 258271), (1495, 139069), (2093, 99335), (10465, 19867)]