81404056

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{397}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 163769040

約数和(自身を除く): 82364984

約数列:

[1, 2, 4, 8, 19, 38, 71, 76, 142, 152, 284, 361, 397, 568, 722, 794, 1349, 1444, 1588, 2698, 2888, 3176, 5396, 7543, 10792, 15086, 25631, 28187, 30172, 51262, 56374, 60344, 102524, 112748, 143317, 205048, 225496, 286634, 535553, 573268, 1071106, 1146536, 2142212, 4284424, 10175507, 20351014, 40702028, 81404056]

約数ペア:

[(1, 81404056), (2, 40702028), (4, 20351014), (8, 10175507), (19, 4284424), (38, 2142212), (71, 1146536), (76, 1071106), (142, 573268), (152, 535553), (284, 286634), (361, 225496), (397, 205048), (568, 143317), (722, 112748), (794, 102524), (1349, 60344), (1444, 56374), (1588, 51262), (2698, 30172), (2888, 28187), (3176, 25631), (5396, 15086), (7543, 10792)]