156970975

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{661}}^1$

素因数の和:760

約数の個数: 48

約数和(自身を含む): 236413440

約数和(自身を除く): 79442465

約数列:

[1, 5, 7, 23, 25, 35, 59, 115, 161, 175, 295, 413, 575, 661, 805, 1357, 1475, 2065, 3305, 4025, 4627, 6785, 9499, 10325, 15203, 16525, 23135, 33925, 38999, 47495, 76015, 106421, 115675, 194995, 237475, 272993, 380075, 532105, 896977, 974975, 1364965, 2660525, 4484885, 6278839, 6824825, 22424425, 31394195, 156970975]

約数ペア:

[(1, 156970975), (5, 31394195), (7, 22424425), (23, 6824825), (25, 6278839), (35, 4484885), (59, 2660525), (115, 1364965), (161, 974975), (175, 896977), (295, 532105), (413, 380075), (575, 272993), (661, 237475), (805, 194995), (1357, 115675), (1475, 106421), (2065, 76015), (3305, 47495), (4025, 38999), (4627, 33925), (6785, 23135), (9499, 16525), (10325, 15203)]