81363268

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{503}}^1$

素因数の和:676

約数の個数: 48

約数和(自身を含む): 167650560

約数和(自身を除く): 86287292

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 109, 212, 218, 371, 436, 503, 742, 763, 1006, 1484, 1526, 2012, 3052, 3521, 5777, 7042, 11554, 14084, 23108, 26659, 40439, 53318, 54827, 80878, 106636, 109654, 161756, 186613, 219308, 373226, 383789, 746452, 767578, 1535156, 2905831, 5811662, 11623324, 20340817, 40681634, 81363268]

約数ペア:

[(1, 81363268), (2, 40681634), (4, 20340817), (7, 11623324), (14, 5811662), (28, 2905831), (53, 1535156), (106, 767578), (109, 746452), (212, 383789), (218, 373226), (371, 219308), (436, 186613), (503, 161756), (742, 109654), (763, 106636), (1006, 80878), (1484, 54827), (1526, 53318), (2012, 40439), (3052, 26659), (3521, 23108), (5777, 14084), (7042, 11554)]