2638748882

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{193}}^1\times {\mathrm{1153}}^1$

素因数の和:1384

約数の個数: 72

約数和(自身を含む): 5091611868

約数和(自身を除く): 2452862986

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 121, 154, 193, 242, 386, 539, 847, 1078, 1153, 1351, 1694, 2123, 2306, 2702, 4246, 5929, 8071, 9457, 11858, 12683, 14861, 16142, 18914, 23353, 25366, 29722, 46706, 56497, 88781, 104027, 112994, 139513, 163471, 177562, 208054, 222529, 279026, 326942, 445058, 621467, 976591, 1144297, 1242934, 1557703, 1953182, 2288594, 2447819, 3115406, 4895638, 6836137, 10903921, 13672274, 17134733, 21807842, 26926009, 34269466, 53852018, 119943131, 188482063, 239886262, 376964126, 1319374441, 2638748882]

約数ペア:

[(1, 2638748882), (2, 1319374441), (7, 376964126), (11, 239886262), (14, 188482063), (22, 119943131), (49, 53852018), (77, 34269466), (98, 26926009), (121, 21807842), (154, 17134733), (193, 13672274), (242, 10903921), (386, 6836137), (539, 4895638), (847, 3115406), (1078, 2447819), (1153, 2288594), (1351, 1953182), (1694, 1557703), (2123, 1242934), (2306, 1144297), (2702, 976591), (4246, 621467), (5929, 445058), (8071, 326942), (9457, 279026), (11858, 222529), (12683, 208054), (14861, 177562), (16142, 163471), (18914, 139513), (23353, 112994), (25366, 104027), (29722, 88781), (46706, 56497)]