71840816

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{1151}}^1$

素因数の和:1289

約数の個数: 40

約数和(自身を含む): 143990784

約数和(自身を除く): 72149968

約数列:

[1, 2, 4, 8, 16, 47, 83, 94, 166, 188, 332, 376, 664, 752, 1151, 1328, 2302, 3901, 4604, 7802, 9208, 15604, 18416, 31208, 54097, 62416, 95533, 108194, 191066, 216388, 382132, 432776, 764264, 865552, 1528528, 4490051, 8980102, 17960204, 35920408, 71840816]

約数ペア:

[(1, 71840816), (2, 35920408), (4, 17960204), (8, 8980102), (16, 4490051), (47, 1528528), (83, 865552), (94, 764264), (166, 432776), (188, 382132), (332, 216388), (376, 191066), (664, 108194), (752, 95533), (1151, 62416), (1328, 54097), (2302, 31208), (3901, 18416), (4604, 15604), (7802, 9208)]