406406

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1$

素因数の和:69

約数の個数: 48

約数和(自身を含む): 861840

約数和(自身を除く): 455434

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 29, 49, 58, 77, 91, 98, 143, 154, 182, 203, 286, 319, 377, 406, 539, 637, 638, 754, 1001, 1078, 1274, 1421, 2002, 2233, 2639, 2842, 4147, 4466, 5278, 7007, 8294, 14014, 15631, 18473, 29029, 31262, 36946, 58058, 203203, 406406]

約数ペア:

[(1, 406406), (2, 203203), (7, 58058), (11, 36946), (13, 31262), (14, 29029), (22, 18473), (26, 15631), (29, 14014), (49, 8294), (58, 7007), (77, 5278), (91, 4466), (98, 4147), (143, 2842), (154, 2639), (182, 2233), (203, 2002), (286, 1421), (319, 1274), (377, 1078), (406, 1001), (539, 754), (637, 638)]