81081272

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{179}}^1\times {\mathrm{1381}}^1$

素因数の和:1607

約数の個数: 32

約数和(自身を含む): 156718800

約数和(自身を除く): 75637528

約数列:

[1, 2, 4, 8, 41, 82, 164, 179, 328, 358, 716, 1381, 1432, 2762, 5524, 7339, 11048, 14678, 29356, 56621, 58712, 113242, 226484, 247199, 452968, 494398, 988796, 1977592, 10135159, 20270318, 40540636, 81081272]

約数ペア:

[(1, 81081272), (2, 40540636), (4, 20270318), (8, 10135159), (41, 1977592), (82, 988796), (164, 494398), (179, 452968), (328, 247199), (358, 226484), (716, 113242), (1381, 58712), (1432, 56621), (2762, 29356), (5524, 14678), (7339, 11048)]