408068076

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{311}}^1\times {\mathrm{647}}^1$

素因数の和:991

約数の個数: 72

約数和(自身を含む): 1035949824

約数和(自身を除く): 627881748

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 311, 338, 507, 622, 647, 676, 933, 1014, 1244, 1294, 1866, 1941, 2028, 2588, 3732, 3882, 4043, 7764, 8086, 8411, 12129, 16172, 16822, 24258, 25233, 33644, 48516, 50466, 52559, 100932, 105118, 109343, 157677, 201217, 210236, 218686, 315354, 328029, 402434, 437372, 603651, 630708, 656058, 804868, 1207302, 1312116, 2414604, 2615821, 5231642, 7847463, 10463284, 15694926, 31389852, 34005673, 68011346, 102017019, 136022692, 204034038, 408068076]

約数ペア:

[(1, 408068076), (2, 204034038), (3, 136022692), (4, 102017019), (6, 68011346), (12, 34005673), (13, 31389852), (26, 15694926), (39, 10463284), (52, 7847463), (78, 5231642), (156, 2615821), (169, 2414604), (311, 1312116), (338, 1207302), (507, 804868), (622, 656058), (647, 630708), (676, 603651), (933, 437372), (1014, 402434), (1244, 328029), (1294, 315354), (1866, 218686), (1941, 210236), (2028, 201217), (2588, 157677), (3732, 109343), (3882, 105118), (4043, 100932), (7764, 52559), (8086, 50466), (8411, 48516), (12129, 33644), (16172, 25233), (16822, 24258)]