61789585

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{971}}^1$

素因数の和:1089

約数の個数: 32

約数和(自身を含む): 88179840

約数和(自身を除く): 26390255

約数列:

[1, 5, 11, 13, 55, 65, 89, 143, 445, 715, 971, 979, 1157, 4855, 4895, 5785, 10681, 12623, 12727, 53405, 63115, 63635, 86419, 138853, 432095, 694265, 950609, 1123447, 4753045, 5617235, 12357917, 61789585]

約数ペア:

[(1, 61789585), (5, 12357917), (11, 5617235), (13, 4753045), (55, 1123447), (65, 950609), (89, 694265), (143, 432095), (445, 138853), (715, 86419), (971, 63635), (979, 63115), (1157, 53405), (4855, 12727), (4895, 12623), (5785, 10681)]