1721439874

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43159}}^1$

素因数の和:43223

約数の個数: 48

約数和(自身を含む): 3365444160

約数和(自身を除く): 1644004286

約数列:

[1, 2, 7, 11, 14, 22, 37, 49, 74, 77, 98, 154, 259, 407, 518, 539, 814, 1078, 1813, 2849, 3626, 5698, 19943, 39886, 43159, 86318, 302113, 474749, 604226, 949498, 1596883, 2114791, 3193766, 3323243, 4229582, 6646486, 11178181, 17565713, 22356362, 23262701, 35131426, 46525402, 78247267, 122959991, 156494534, 245919982, 860719937, 1721439874]

約数ペア:

[(1, 1721439874), (2, 860719937), (7, 245919982), (11, 156494534), (14, 122959991), (22, 78247267), (37, 46525402), (49, 35131426), (74, 23262701), (77, 22356362), (98, 17565713), (154, 11178181), (259, 6646486), (407, 4229582), (518, 3323243), (539, 3193766), (814, 2114791), (1078, 1596883), (1813, 949498), (2849, 604226), (3626, 474749), (5698, 302113), (19943, 86318), (39886, 43159)]