261644264

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{2207}}^1$

素因数の和:2322

約数の個数: 64

約数和(自身を含む): 588211200

約数和(自身を除く): 326566936

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 73, 116, 146, 203, 232, 292, 406, 511, 584, 812, 1022, 1624, 2044, 2117, 2207, 4088, 4234, 4414, 8468, 8828, 14819, 15449, 16936, 17656, 29638, 30898, 59276, 61796, 64003, 118552, 123592, 128006, 161111, 256012, 322222, 448021, 512024, 644444, 896042, 1127777, 1288888, 1792084, 2255554, 3584168, 4511108, 4672219, 9022216, 9344438, 18688876, 32705533, 37377752, 65411066, 130822132, 261644264]

約数ペア:

[(1, 261644264), (2, 130822132), (4, 65411066), (7, 37377752), (8, 32705533), (14, 18688876), (28, 9344438), (29, 9022216), (56, 4672219), (58, 4511108), (73, 3584168), (116, 2255554), (146, 1792084), (203, 1288888), (232, 1127777), (292, 896042), (406, 644444), (511, 512024), (584, 448021), (812, 322222), (1022, 256012), (1624, 161111), (2044, 128006), (2117, 123592), (2207, 118552), (4088, 64003), (4234, 61796), (4414, 59276), (8468, 30898), (8828, 29638), (14819, 17656), (15449, 16936)]