188774128

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1$

素因数の和:302

約数の個数: 80

約数和(自身を含む): 395974656

約数和(自身を除く): 207200528

約数列:

[1, 2, 4, 8, 16, 31, 43, 53, 62, 86, 106, 124, 167, 172, 212, 248, 334, 344, 424, 496, 668, 688, 848, 1333, 1336, 1643, 2279, 2666, 2672, 3286, 4558, 5177, 5332, 6572, 7181, 8851, 9116, 10354, 10664, 13144, 14362, 17702, 18232, 20708, 21328, 26288, 28724, 35404, 36464, 41416, 57448, 70649, 70808, 82832, 114896, 141298, 141616, 222611, 274381, 282596, 380593, 445222, 548762, 565192, 761186, 890444, 1097524, 1130384, 1522372, 1780888, 2195048, 3044744, 3561776, 4390096, 6089488, 11798383, 23596766, 47193532, 94387064, 188774128]

約数ペア:

[(1, 188774128), (2, 94387064), (4, 47193532), (8, 23596766), (16, 11798383), (31, 6089488), (43, 4390096), (53, 3561776), (62, 3044744), (86, 2195048), (106, 1780888), (124, 1522372), (167, 1130384), (172, 1097524), (212, 890444), (248, 761186), (334, 565192), (344, 548762), (424, 445222), (496, 380593), (668, 282596), (688, 274381), (848, 222611), (1333, 141616), (1336, 141298), (1643, 114896), (2279, 82832), (2666, 70808), (2672, 70649), (3286, 57448), (4558, 41416), (5177, 36464), (5332, 35404), (6572, 28724), (7181, 26288), (8851, 21328), (9116, 20708), (10354, 18232), (10664, 17702), (13144, 14362)]