72709912

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{641}}^1\times {\mathrm{1289}}^1$

素因数の和:1947

約数の個数: 32

約数和(自身を含む): 149072400

約数和(自身を除く): 76362488

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 641, 1282, 1289, 2564, 2578, 5128, 5156, 7051, 10312, 14102, 14179, 28204, 28358, 56408, 56716, 113432, 826249, 1652498, 3304996, 6609992, 9088739, 18177478, 36354956, 72709912]

約数ペア:

[(1, 72709912), (2, 36354956), (4, 18177478), (8, 9088739), (11, 6609992), (22, 3304996), (44, 1652498), (88, 826249), (641, 113432), (1282, 56716), (1289, 56408), (2564, 28358), (2578, 28204), (5128, 14179), (5156, 14102), (7051, 10312)]