640849716

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{1369337}}^1$

素因数の和:1369360

約数の個数: 36

約数和(自身を含む): 1744536612

約数和(自身を除く): 1103686896

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 1369337, 2738674, 4108011, 5477348, 8216022, 12324033, 16432044, 17801381, 24648066, 35602762, 49296132, 53404143, 71205524, 106808286, 160212429, 213616572, 320424858, 640849716]

約数ペア:

[(1, 640849716), (2, 320424858), (3, 213616572), (4, 160212429), (6, 106808286), (9, 71205524), (12, 53404143), (13, 49296132), (18, 35602762), (26, 24648066), (36, 17801381), (39, 16432044), (52, 12324033), (78, 8216022), (117, 5477348), (156, 4108011), (234, 2738674), (468, 1369337)]