189638315

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{911}}^1$

素因数の和:1043

約数の個数: 32

約数和(自身を含む): 252149760

約数和(自身を除く): 62511445

約数列:

[1, 5, 17, 31, 79, 85, 155, 395, 527, 911, 1343, 2449, 2635, 4555, 6715, 12245, 15487, 28241, 41633, 71969, 77435, 141205, 208165, 359845, 480097, 1223473, 2231039, 2400485, 6117365, 11155195, 37927663, 189638315]

約数ペア:

[(1, 189638315), (5, 37927663), (17, 11155195), (31, 6117365), (79, 2400485), (85, 2231039), (155, 1223473), (395, 480097), (527, 359845), (911, 208165), (1343, 141205), (2449, 77435), (2635, 71969), (4555, 41633), (6715, 28241), (12245, 15487)]