81396544

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{947}}^1$

素因数の和:1055

約数の個数: 56

約数和(自身を含む): 173370240

約数和(自身を除く): 91973696

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 79, 136, 158, 272, 316, 544, 632, 947, 1088, 1264, 1343, 1894, 2528, 2686, 3788, 5056, 5372, 7576, 10744, 15152, 16099, 21488, 30304, 32198, 42976, 60608, 64396, 74813, 85952, 128792, 149626, 257584, 299252, 515168, 598504, 1030336, 1197008, 1271821, 2394016, 2543642, 4788032, 5087284, 10174568, 20349136, 40698272, 81396544]

約数ペア:

[(1, 81396544), (2, 40698272), (4, 20349136), (8, 10174568), (16, 5087284), (17, 4788032), (32, 2543642), (34, 2394016), (64, 1271821), (68, 1197008), (79, 1030336), (136, 598504), (158, 515168), (272, 299252), (316, 257584), (544, 149626), (632, 128792), (947, 85952), (1088, 74813), (1264, 64396), (1343, 60608), (1894, 42976), (2528, 32198), (2686, 30304), (3788, 21488), (5056, 16099), (5372, 15152), (7576, 10744)]