218221808

素因数分解:

$2^4\times 7^1\times {\mathrm{199}}^1\times {\mathrm{9791}}^1$

素因数の和:10005

約数の個数: 40

約数和(自身を含む): 485683200

約数和(自身を除く): 267461392

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 199, 398, 796, 1393, 1592, 2786, 3184, 5572, 9791, 11144, 19582, 22288, 39164, 68537, 78328, 137074, 156656, 274148, 548296, 1096592, 1948409, 3896818, 7793636, 13638863, 15587272, 27277726, 31174544, 54555452, 109110904, 218221808]

約数ペア:

[(1, 218221808), (2, 109110904), (4, 54555452), (7, 31174544), (8, 27277726), (14, 15587272), (16, 13638863), (28, 7793636), (56, 3896818), (112, 1948409), (199, 1096592), (398, 548296), (796, 274148), (1393, 156656), (1592, 137074), (2786, 78328), (3184, 68537), (5572, 39164), (9791, 22288), (11144, 19582)]