245864788

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{248851}}^1$

素因数の和:248887

約数の個数: 24

約数和(自身を含む): 487749920

約数和(自身を除く): 241885132

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 248851, 497702, 995404, 3235063, 4728169, 6470126, 9456338, 12940252, 18912676, 61466197, 122932394, 245864788]

約数ペア:

[(1, 245864788), (2, 122932394), (4, 61466197), (13, 18912676), (19, 12940252), (26, 9456338), (38, 6470126), (52, 4728169), (76, 3235063), (247, 995404), (494, 497702), (988, 248851)]