213245816

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{6911}}^1$

素因数の和:6972

約数の個数: 64

約数和(自身を含む): 497664000

約数和(自身を除く): 284418184

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 29, 38, 56, 58, 76, 116, 133, 152, 203, 232, 266, 406, 532, 551, 812, 1064, 1102, 1624, 2204, 3857, 4408, 6911, 7714, 13822, 15428, 27644, 30856, 48377, 55288, 96754, 131309, 193508, 200419, 262618, 387016, 400838, 525236, 801676, 919163, 1050472, 1402933, 1603352, 1838326, 2805866, 3676652, 3807961, 5611732, 7353304, 7615922, 11223464, 15231844, 26655727, 30463688, 53311454, 106622908, 213245816]

約数ペア:

[(1, 213245816), (2, 106622908), (4, 53311454), (7, 30463688), (8, 26655727), (14, 15231844), (19, 11223464), (28, 7615922), (29, 7353304), (38, 5611732), (56, 3807961), (58, 3676652), (76, 2805866), (116, 1838326), (133, 1603352), (152, 1402933), (203, 1050472), (232, 919163), (266, 801676), (406, 525236), (532, 400838), (551, 387016), (812, 262618), (1064, 200419), (1102, 193508), (1624, 131309), (2204, 96754), (3857, 55288), (4408, 48377), (6911, 30856), (7714, 27644), (13822, 15428)]