1285361404

素因数分解:

$2^2\times {\mathrm{491}}^1\times {\mathrm{641}}^1\times {\mathrm{1021}}^1$

素因数の和:2157

約数の個数: 24

約数和(自身を含む): 2259691056

約数和(自身を除く): 974329652

約数列:

[1, 2, 4, 491, 641, 982, 1021, 1282, 1964, 2042, 2564, 4084, 314731, 501311, 629462, 654461, 1002622, 1258924, 1308922, 2005244, 2617844, 321340351, 642680702, 1285361404]

約数ペア:

[(1, 1285361404), (2, 642680702), (4, 321340351), (491, 2617844), (641, 2005244), (982, 1308922), (1021, 1258924), (1282, 1002622), (1964, 654461), (2042, 629462), (2564, 501311), (4084, 314731)]