2001723988

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1\times {\mathrm{2389}}^1$

素因数の和:2680

約数の個数: 48

約数和(自身を含む): 3878683200

約数和(自身を除く): 1876959212

約数列:

[1, 2, 4, 11, 22, 44, 137, 139, 274, 278, 548, 556, 1507, 1529, 2389, 3014, 3058, 4778, 6028, 6116, 9556, 19043, 26279, 38086, 52558, 76172, 105116, 209473, 327293, 332071, 418946, 654586, 664142, 837892, 1309172, 1328284, 3600223, 3652781, 7200446, 7305562, 14400892, 14611124, 45493727, 90987454, 181974908, 500430997, 1000861994, 2001723988]

約数ペア:

[(1, 2001723988), (2, 1000861994), (4, 500430997), (11, 181974908), (22, 90987454), (44, 45493727), (137, 14611124), (139, 14400892), (274, 7305562), (278, 7200446), (548, 3652781), (556, 3600223), (1507, 1328284), (1529, 1309172), (2389, 837892), (3014, 664142), (3058, 654586), (4778, 418946), (6028, 332071), (6116, 327293), (9556, 209473), (19043, 105116), (26279, 76172), (38086, 52558)]