1999788145

素因数分解:

$5^1\times {\mathrm{31}}^2\times {\mathrm{191}}^1\times {\mathrm{2179}}^1$

素因数の和:2437

約数の個数: 24

約数和(自身を含む): 2493780480

約数和(自身を除く): 493992335

約数列:

[1, 5, 31, 155, 191, 955, 961, 2179, 4805, 5921, 10895, 29605, 67549, 183551, 337745, 416189, 917755, 2080945, 2094019, 10470095, 12901859, 64509295, 399957629, 1999788145]

約数ペア:

[(1, 1999788145), (5, 399957629), (31, 64509295), (155, 12901859), (191, 10470095), (955, 2094019), (961, 2080945), (2179, 917755), (4805, 416189), (5921, 337745), (10895, 183551), (29605, 67549)]