12663805

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 19961856

約数和(自身を除く): 7298051

約数列:

[1, 5, 7, 11, 35, 37, 49, 55, 77, 127, 185, 245, 259, 385, 407, 539, 635, 889, 1295, 1397, 1813, 2035, 2695, 2849, 4445, 4699, 6223, 6985, 9065, 9779, 14245, 19943, 23495, 31115, 32893, 48895, 51689, 68453, 99715, 164465, 230251, 258445, 342265, 361823, 1151255, 1809115, 2532761, 12663805]

約数ペア:

[(1, 12663805), (5, 2532761), (7, 1809115), (11, 1151255), (35, 361823), (37, 342265), (49, 258445), (55, 230251), (77, 164465), (127, 99715), (185, 68453), (245, 51689), (259, 48895), (385, 32893), (407, 31115), (539, 23495), (635, 19943), (889, 14245), (1295, 9779), (1397, 9065), (1813, 6985), (2035, 6223), (2695, 4699), (2849, 4445)]