191617355

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{907}}^1$

素因数の和:1019

約数の個数: 32

約数和(自身を含む): 251043840

約数和(自身を除く): 59426485

約数列:

[1, 5, 29, 31, 47, 145, 155, 235, 899, 907, 1363, 1457, 4495, 4535, 6815, 7285, 26303, 28117, 42253, 42629, 131515, 140585, 211265, 213145, 815393, 1236241, 1321499, 4076965, 6181205, 6607495, 38323471, 191617355]

約数ペア:

[(1, 191617355), (5, 38323471), (29, 6607495), (31, 6181205), (47, 4076965), (145, 1321499), (155, 1236241), (235, 815393), (899, 213145), (907, 211265), (1363, 140585), (1457, 131515), (4495, 42629), (4535, 42253), (6815, 28117), (7285, 26303)]