78566890

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1\times {\mathrm{727}}^1$

素因数の和:942

約数の個数: 32

約数和(自身を含む): 144353664

約数和(自身を除く): 65786774

約数列:

[1, 2, 5, 10, 101, 107, 202, 214, 505, 535, 727, 1010, 1070, 1454, 3635, 7270, 10807, 21614, 54035, 73427, 77789, 108070, 146854, 155578, 367135, 388945, 734270, 777890, 7856689, 15713378, 39283445, 78566890]

約数ペア:

[(1, 78566890), (2, 39283445), (5, 15713378), (10, 7856689), (101, 777890), (107, 734270), (202, 388945), (214, 367135), (505, 155578), (535, 146854), (727, 108070), (1010, 77789), (1070, 73427), (1454, 54035), (3635, 21614), (7270, 10807)]