81279712

素因数分解:

$2^5\times {\mathrm{41}}^2\times {\mathrm{1511}}^1$

素因数の和:1603

約数の個数: 36

約数和(自身を含む): 164126088

約数和(自身を除く): 82846376

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 328, 656, 1312, 1511, 1681, 3022, 3362, 6044, 6724, 12088, 13448, 24176, 26896, 48352, 53792, 61951, 123902, 247804, 495608, 991216, 1982432, 2539991, 5079982, 10159964, 20319928, 40639856, 81279712]

約数ペア:

[(1, 81279712), (2, 40639856), (4, 20319928), (8, 10159964), (16, 5079982), (32, 2539991), (41, 1982432), (82, 991216), (164, 495608), (328, 247804), (656, 123902), (1312, 61951), (1511, 53792), (1681, 48352), (3022, 26896), (3362, 24176), (6044, 13448), (6724, 12088)]