71766728

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{19891}}^1$

素因数の和:19949

約数の個数: 32

約数和(自身を含む): 150383520

約数和(自身を除く): 78616792

約数列:

[1, 2, 4, 8, 11, 22, 41, 44, 82, 88, 164, 328, 451, 902, 1804, 3608, 19891, 39782, 79564, 159128, 218801, 437602, 815531, 875204, 1631062, 1750408, 3262124, 6524248, 8970841, 17941682, 35883364, 71766728]

約数ペア:

[(1, 71766728), (2, 35883364), (4, 17941682), (8, 8970841), (11, 6524248), (22, 3262124), (41, 1750408), (44, 1631062), (82, 875204), (88, 815531), (164, 437602), (328, 218801), (451, 159128), (902, 79564), (1804, 39782), (3608, 19891)]