81885862

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{3673}}^1$

素因数の和:3903

約数の個数: 16

約数和(自身を含む): 125386272

約数和(自身を除く): 43500410

約数列:

[1, 2, 71, 142, 157, 314, 3673, 7346, 11147, 22294, 260783, 521566, 576661, 1153322, 40942931, 81885862]

約数ペア:

[(1, 81885862), (2, 40942931), (71, 1153322), (142, 576661), (157, 521566), (314, 260783), (3673, 22294), (7346, 11147)]