129640295

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{191}}^1$

素因数の和:407

約数の個数: 32

約数和(自身を含む): 168099840

約数和(自身を除く): 38459545

約数列:

[1, 5, 29, 31, 145, 151, 155, 191, 755, 899, 955, 4379, 4495, 4681, 5539, 5921, 21895, 23405, 27695, 28841, 29605, 135749, 144205, 171709, 678745, 836389, 858545, 894071, 4181945, 4470355, 25928059, 129640295]

約数ペア:

[(1, 129640295), (5, 25928059), (29, 4470355), (31, 4181945), (145, 894071), (151, 858545), (155, 836389), (191, 678745), (755, 171709), (899, 144205), (955, 135749), (4379, 29605), (4495, 28841), (4681, 27695), (5539, 23405), (5921, 21895)]