1244989942

素因数分解:

$2^1\times 7^2\times {\mathrm{641}}^1\times {\mathrm{19819}}^1$

素因数の和:20476

約数の個数: 24

約数和(自身を含む): 2175879240

約数和(自身を除く): 930889298

約数列:

[1, 2, 7, 14, 49, 98, 641, 1282, 4487, 8974, 19819, 31409, 39638, 62818, 138733, 277466, 971131, 1942262, 12703979, 25407958, 88927853, 177855706, 622494971, 1244989942]

約数ペア:

[(1, 1244989942), (2, 622494971), (7, 177855706), (14, 88927853), (49, 25407958), (98, 12703979), (641, 1942262), (1282, 971131), (4487, 277466), (8974, 138733), (19819, 62818), (31409, 39638)]