1290291226

素因数分解:

$2^1\times 7^3\times {\mathrm{67}}^2\times {\mathrm{419}}^1$

素因数の和:576

約数の個数: 48

約数和(自身を含む): 2296728000

約数和(自身を除く): 1006436774

約数列:

[1, 2, 7, 14, 49, 67, 98, 134, 343, 419, 469, 686, 838, 938, 2933, 3283, 4489, 5866, 6566, 8978, 20531, 22981, 28073, 31423, 41062, 45962, 56146, 62846, 143717, 196511, 219961, 287434, 393022, 439922, 1375577, 1539727, 1880891, 2751154, 3079454, 3761782, 9629039, 13166237, 19258078, 26332474, 92163659, 184327318, 645145613, 1290291226]

約数ペア:

[(1, 1290291226), (2, 645145613), (7, 184327318), (14, 92163659), (49, 26332474), (67, 19258078), (98, 13166237), (134, 9629039), (343, 3761782), (419, 3079454), (469, 2751154), (686, 1880891), (838, 1539727), (938, 1375577), (2933, 439922), (3283, 393022), (4489, 287434), (5866, 219961), (6566, 196511), (8978, 143717), (20531, 62846), (22981, 56146), (28073, 45962), (31423, 41062)]