217778886

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{11213}}^1$

素因数の和:11317

約数の個数: 48

約数和(自身を含む): 514318896

約数和(自身を除く): 296540010

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 83, 117, 166, 234, 249, 498, 747, 1079, 1494, 2158, 3237, 6474, 9711, 11213, 19422, 22426, 33639, 67278, 100917, 145769, 201834, 291538, 437307, 874614, 930679, 1311921, 1861358, 2623842, 2792037, 5584074, 8376111, 12098827, 16752222, 24197654, 36296481, 72592962, 108889443, 217778886]

約数ペア:

[(1, 217778886), (2, 108889443), (3, 72592962), (6, 36296481), (9, 24197654), (13, 16752222), (18, 12098827), (26, 8376111), (39, 5584074), (78, 2792037), (83, 2623842), (117, 1861358), (166, 1311921), (234, 930679), (249, 874614), (498, 437307), (747, 291538), (1079, 201834), (1494, 145769), (2158, 100917), (3237, 67278), (6474, 33639), (9711, 22426), (11213, 19422)]