208220688

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{111229}}^1$

素因数の和:111256

約数の個数: 60

約数和(自身を含む): 627559660

約数和(自身を除く): 419338972

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 468, 624, 936, 1872, 111229, 222458, 333687, 444916, 667374, 889832, 1001061, 1334748, 1445977, 1779664, 2002122, 2669496, 2891954, 4004244, 4337931, 5338992, 5783908, 8008488, 8675862, 11567816, 13013793, 16016976, 17351724, 23135632, 26027586, 34703448, 52055172, 69406896, 104110344, 208220688]

約数ペア:

[(1, 208220688), (2, 104110344), (3, 69406896), (4, 52055172), (6, 34703448), (8, 26027586), (9, 23135632), (12, 17351724), (13, 16016976), (16, 13013793), (18, 11567816), (24, 8675862), (26, 8008488), (36, 5783908), (39, 5338992), (48, 4337931), (52, 4004244), (72, 2891954), (78, 2669496), (104, 2002122), (117, 1779664), (144, 1445977), (156, 1334748), (208, 1001061), (234, 889832), (312, 667374), (468, 444916), (624, 333687), (936, 222458), (1872, 111229)]