129190012

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{389}}^1\times {\mathrm{409}}^1$

素因数の和:838

約数の個数: 48

約数和(自身を含む): 268632000

約数和(自身を除く): 139441988

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 389, 406, 409, 778, 812, 818, 1556, 1636, 2723, 2863, 5446, 5726, 10892, 11281, 11452, 11861, 22562, 23722, 45124, 47444, 78967, 83027, 157934, 159101, 166054, 315868, 318202, 332108, 636404, 1113707, 2227414, 4454828, 4613929, 9227858, 18455716, 32297503, 64595006, 129190012]

約数ペア:

[(1, 129190012), (2, 64595006), (4, 32297503), (7, 18455716), (14, 9227858), (28, 4613929), (29, 4454828), (58, 2227414), (116, 1113707), (203, 636404), (389, 332108), (406, 318202), (409, 315868), (778, 166054), (812, 159101), (818, 157934), (1556, 83027), (1636, 78967), (2723, 47444), (2863, 45124), (5446, 23722), (5726, 22562), (10892, 11861), (11281, 11452)]