261495416

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{11587}}^1$

素因数の和:11644

約数の個数: 64

約数和(自身を含む): 622970880

約数和(自身を除く): 361475464

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 52, 56, 62, 91, 104, 124, 182, 217, 248, 364, 403, 434, 728, 806, 868, 1612, 1736, 2821, 3224, 5642, 11284, 11587, 22568, 23174, 46348, 81109, 92696, 150631, 162218, 301262, 324436, 359197, 602524, 648872, 718394, 1054417, 1205048, 1436788, 2108834, 2514379, 2873576, 4217668, 4669561, 5028758, 8435336, 9339122, 10057516, 18678244, 20115032, 32686927, 37356488, 65373854, 130747708, 261495416]

約数ペア:

[(1, 261495416), (2, 130747708), (4, 65373854), (7, 37356488), (8, 32686927), (13, 20115032), (14, 18678244), (26, 10057516), (28, 9339122), (31, 8435336), (52, 5028758), (56, 4669561), (62, 4217668), (91, 2873576), (104, 2514379), (124, 2108834), (182, 1436788), (217, 1205048), (248, 1054417), (364, 718394), (403, 648872), (434, 602524), (728, 359197), (806, 324436), (868, 301262), (1612, 162218), (1736, 150631), (2821, 92696), (3224, 81109), (5642, 46348), (11284, 23174), (11587, 22568)]