78728153

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{821}}^1$

素因数の和:957

約数の個数: 24

約数和(自身を含む): 97456320

約数和(自身を除く): 18728167

約数列:

[1, 7, 19, 49, 103, 133, 721, 821, 931, 1957, 5047, 5747, 13699, 15599, 40229, 84563, 95893, 109193, 591941, 764351, 1606697, 4143587, 11246879, 78728153]

約数ペア:

[(1, 78728153), (7, 11246879), (19, 4143587), (49, 1606697), (103, 764351), (133, 591941), (721, 109193), (821, 95893), (931, 84563), (1957, 40229), (5047, 15599), (5747, 13699)]