81214208

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{283}}^1$

素因数の和:377

約数の個数: 72

約数和(自身を含む): 174148800

約数和(自身を除く): 92934592

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 59, 64, 76, 118, 128, 152, 236, 256, 283, 304, 472, 566, 608, 944, 1121, 1132, 1216, 1888, 2242, 2264, 2432, 3776, 4484, 4528, 4864, 5377, 7552, 8968, 9056, 10754, 15104, 16697, 17936, 18112, 21508, 33394, 35872, 36224, 43016, 66788, 71744, 72448, 86032, 133576, 143488, 172064, 267152, 286976, 317243, 344128, 534304, 634486, 688256, 1068608, 1268972, 1376512, 2137216, 2537944, 4274432, 5075888, 10151776, 20303552, 40607104, 81214208]

約数ペア:

[(1, 81214208), (2, 40607104), (4, 20303552), (8, 10151776), (16, 5075888), (19, 4274432), (32, 2537944), (38, 2137216), (59, 1376512), (64, 1268972), (76, 1068608), (118, 688256), (128, 634486), (152, 534304), (236, 344128), (256, 317243), (283, 286976), (304, 267152), (472, 172064), (566, 143488), (608, 133576), (944, 86032), (1121, 72448), (1132, 71744), (1216, 66788), (1888, 43016), (2242, 36224), (2264, 35872), (2432, 33394), (3776, 21508), (4484, 18112), (4528, 17936), (4864, 16697), (5377, 15104), (7552, 10754), (8968, 9056)]