280181668

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{631}}^1\times {\mathrm{8539}}^1$

素因数の和:9187

約数の個数: 24

約数和(自身を含む): 528933440

約数和(自身を除く): 248751772

約数列:

[1, 2, 4, 13, 26, 52, 631, 1262, 2524, 8203, 8539, 16406, 17078, 32812, 34156, 111007, 222014, 444028, 5388109, 10776218, 21552436, 70045417, 140090834, 280181668]

約数ペア:

[(1, 280181668), (2, 140090834), (4, 70045417), (13, 21552436), (26, 10776218), (52, 5388109), (631, 444028), (1262, 222014), (2524, 111007), (8203, 34156), (8539, 32812), (16406, 17078)]