399135912

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{443}}^1$

素因数の和:663

約数の個数: 128

約数和(自身を含む): 1186652160

約数和(自身を除く): 787516248

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 42, 56, 62, 84, 93, 124, 168, 173, 186, 217, 248, 346, 372, 434, 443, 519, 651, 692, 744, 868, 886, 1038, 1211, 1302, 1329, 1384, 1736, 1772, 2076, 2422, 2604, 2658, 3101, 3544, 3633, 4152, 4844, 5208, 5316, 5363, 6202, 7266, 9303, 9688, 10632, 10726, 12404, 13733, 14532, 16089, 18606, 21452, 24808, 27466, 29064, 32178, 37212, 37541, 41199, 42904, 54932, 64356, 74424, 75082, 76639, 82398, 96131, 109864, 112623, 128712, 150164, 153278, 164796, 192262, 225246, 229917, 288393, 300328, 306556, 329592, 384524, 450492, 459834, 536473, 576786, 613112, 769048, 900984, 919668, 1072946, 1153572, 1609419, 1839336, 2145892, 2307144, 2375809, 3218838, 4291784, 4751618, 6437676, 7127427, 9503236, 12875352, 14254854, 16630663, 19006472, 28509708, 33261326, 49891989, 57019416, 66522652, 99783978, 133045304, 199567956, 399135912]

約数ペア:

[(1, 399135912), (2, 199567956), (3, 133045304), (4, 99783978), (6, 66522652), (7, 57019416), (8, 49891989), (12, 33261326), (14, 28509708), (21, 19006472), (24, 16630663), (28, 14254854), (31, 12875352), (42, 9503236), (56, 7127427), (62, 6437676), (84, 4751618), (93, 4291784), (124, 3218838), (168, 2375809), (173, 2307144), (186, 2145892), (217, 1839336), (248, 1609419), (346, 1153572), (372, 1072946), (434, 919668), (443, 900984), (519, 769048), (651, 613112), (692, 576786), (744, 536473), (868, 459834), (886, 450492), (1038, 384524), (1211, 329592), (1302, 306556), (1329, 300328), (1384, 288393), (1736, 229917), (1772, 225246), (2076, 192262), (2422, 164796), (2604, 153278), (2658, 150164), (3101, 128712), (3544, 112623), (3633, 109864), (4152, 96131), (4844, 82398), (5208, 76639), (5316, 75082), (5363, 74424), (6202, 64356), (7266, 54932), (9303, 42904), (9688, 41199), (10632, 37541), (10726, 37212), (12404, 32178), (13733, 29064), (14532, 27466), (16089, 24808), (18606, 21452)]