81208208

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{1567}}^1$

素因数の和:1695

約数の個数: 40

約数和(自身を含む): 163322880

約数和(自身を除く): 82114672

約数列:

[1, 2, 4, 8, 16, 41, 79, 82, 158, 164, 316, 328, 632, 656, 1264, 1567, 3134, 3239, 6268, 6478, 12536, 12956, 25072, 25912, 51824, 64247, 123793, 128494, 247586, 256988, 495172, 513976, 990344, 1027952, 1980688, 5075513, 10151026, 20302052, 40604104, 81208208]

約数ペア:

[(1, 81208208), (2, 40604104), (4, 20302052), (8, 10151026), (16, 5075513), (41, 1980688), (79, 1027952), (82, 990344), (158, 513976), (164, 495172), (316, 256988), (328, 247586), (632, 128494), (656, 123793), (1264, 64247), (1567, 51824), (3134, 25912), (3239, 25072), (6268, 12956), (6478, 12536)]