12401705

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{89}}^1$

素因数の和:185

約数の個数: 24

約数和(自身を含む): 16086600

約数和(自身を除く): 3684895

約数列:

[1, 5, 29, 31, 89, 145, 155, 445, 899, 961, 2581, 2759, 4495, 4805, 12905, 13795, 27869, 80011, 85529, 139345, 400055, 427645, 2480341, 12401705]

約数ペア:

[(1, 12401705), (5, 2480341), (29, 427645), (31, 400055), (89, 139345), (145, 85529), (155, 80011), (445, 27869), (899, 13795), (961, 12905), (2581, 4805), (2759, 4495)]