721447144

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{72551}}^1$

素因数の和:72681

約数の個数: 32

約数和(自身を含む): 1488767040

約数和(自身を除く): 767319896

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 113, 226, 452, 904, 1243, 2486, 4972, 9944, 72551, 145102, 290204, 580408, 798061, 1596122, 3192244, 6384488, 8198263, 16396526, 32793052, 65586104, 90180893, 180361786, 360723572, 721447144]

約数ペア:

[(1, 721447144), (2, 360723572), (4, 180361786), (8, 90180893), (11, 65586104), (22, 32793052), (44, 16396526), (88, 8198263), (113, 6384488), (226, 3192244), (452, 1596122), (904, 798061), (1243, 580408), (2486, 290204), (4972, 145102), (9944, 72551)]