1979806976

素因数分解:

$2^8\times 7^4\times {\mathrm{3221}}^1$

素因数の和:3265

約数の個数: 90

約数和(自身を含む): 4611684042

約数和(自身を除く): 2631877066

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 343, 392, 448, 686, 784, 896, 1372, 1568, 1792, 2401, 2744, 3136, 3221, 4802, 5488, 6272, 6442, 9604, 10976, 12544, 12884, 19208, 21952, 22547, 25768, 38416, 43904, 45094, 51536, 76832, 87808, 90188, 103072, 153664, 157829, 180376, 206144, 307328, 315658, 360752, 412288, 614656, 631316, 721504, 824576, 1104803, 1262632, 1443008, 2209606, 2525264, 2886016, 4419212, 5050528, 5772032, 7733621, 8838424, 10101056, 15467242, 17676848, 20202112, 30934484, 35353696, 40404224, 61868968, 70707392, 123737936, 141414784, 247475872, 282829568, 494951744, 989903488, 1979806976]

約数ペア:

[(1, 1979806976), (2, 989903488), (4, 494951744), (7, 282829568), (8, 247475872), (14, 141414784), (16, 123737936), (28, 70707392), (32, 61868968), (49, 40404224), (56, 35353696), (64, 30934484), (98, 20202112), (112, 17676848), (128, 15467242), (196, 10101056), (224, 8838424), (256, 7733621), (343, 5772032), (392, 5050528), (448, 4419212), (686, 2886016), (784, 2525264), (896, 2209606), (1372, 1443008), (1568, 1262632), (1792, 1104803), (2401, 824576), (2744, 721504), (3136, 631316), (3221, 614656), (4802, 412288), (5488, 360752), (6272, 315658), (6442, 307328), (9604, 206144), (10976, 180376), (12544, 157829), (12884, 153664), (19208, 103072), (21952, 90188), (22547, 87808), (25768, 76832), (38416, 51536), (43904, 45094)]