2143404784

素因数分解:

$2^4\times {\mathrm{1091}}^1\times {\mathrm{122789}}^1$

素因数の和:123888

約数の個数: 20

約数和(自身を含む): 4156687080

約数和(自身を除く): 2013282296

約数列:

[1, 2, 4, 8, 16, 1091, 2182, 4364, 8728, 17456, 122789, 245578, 491156, 982312, 1964624, 133962799, 267925598, 535851196, 1071702392, 2143404784]

約数ペア:

[(1, 2143404784), (2, 1071702392), (4, 535851196), (8, 267925598), (16, 133962799), (1091, 1964624), (2182, 982312), (4364, 491156), (8728, 245578), (17456, 122789)]