81426996

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{323123}}^1$

素因数の和:323140

約数の個数: 36

約数和(自身を含む): 235234272

約数和(自身を除く): 153807276

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 323123, 646246, 969369, 1292492, 1938738, 2261861, 2908107, 3877476, 4523722, 5816214, 6785583, 9047444, 11632428, 13571166, 20356749, 27142332, 40713498, 81426996]

約数ペア:

[(1, 81426996), (2, 40713498), (3, 27142332), (4, 20356749), (6, 13571166), (7, 11632428), (9, 9047444), (12, 6785583), (14, 5816214), (18, 4523722), (21, 3877476), (28, 2908107), (36, 2261861), (42, 1938738), (63, 1292492), (84, 969369), (126, 646246), (252, 323123)]