81231916

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{62873}}^1$

素因数の和:62913

約数の個数: 24

約数和(自身を含む): 158442480

約数和(自身を除く): 77210564

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 646, 1292, 62873, 125746, 251492, 1068841, 1194587, 2137682, 2389174, 4275364, 4778348, 20307979, 40615958, 81231916]

約数ペア:

[(1, 81231916), (2, 40615958), (4, 20307979), (17, 4778348), (19, 4275364), (34, 2389174), (38, 2137682), (68, 1194587), (76, 1068841), (323, 251492), (646, 125746), (1292, 62873)]