71717872

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{449}}^1$

素因数の和:673

約数の個数: 40

約数和(自身を含む): 142290000

約数和(自身を除く): 70572128

約数列:

[1, 2, 4, 8, 16, 67, 134, 149, 268, 298, 449, 536, 596, 898, 1072, 1192, 1796, 2384, 3592, 7184, 9983, 19966, 30083, 39932, 60166, 66901, 79864, 120332, 133802, 159728, 240664, 267604, 481328, 535208, 1070416, 4482367, 8964734, 17929468, 35858936, 71717872]

約数ペア:

[(1, 71717872), (2, 35858936), (4, 17929468), (8, 8964734), (16, 4482367), (67, 1070416), (134, 535208), (149, 481328), (268, 267604), (298, 240664), (449, 159728), (536, 133802), (596, 120332), (898, 79864), (1072, 66901), (1192, 60166), (1796, 39932), (2384, 30083), (3592, 19966), (7184, 9983)]