155810185

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2039}}^1$

素因数の和:2121

約数の個数: 32

約数和(自身を含む): 211507200

約数和(自身を除く): 55697015

約数列:

[1, 5, 17, 29, 31, 85, 145, 155, 493, 527, 899, 2039, 2465, 2635, 4495, 10195, 15283, 34663, 59131, 63209, 76415, 173315, 295655, 316045, 1005227, 1074553, 1833061, 5026135, 5372765, 9165305, 31162037, 155810185]

約数ペア:

[(1, 155810185), (5, 31162037), (17, 9165305), (29, 5372765), (31, 5026135), (85, 1833061), (145, 1074553), (155, 1005227), (493, 316045), (527, 295655), (899, 173315), (2039, 76415), (2465, 63209), (2635, 59131), (4495, 34663), (10195, 15283)]