68279848

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1321}}^1$

素因数の和:1418

約数の個数: 64

約数和(自身を含む): 159909120

約数和(自身を除く): 91629272

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 71, 91, 104, 142, 182, 284, 364, 497, 568, 728, 923, 994, 1321, 1846, 1988, 2642, 3692, 3976, 5284, 6461, 7384, 9247, 10568, 12922, 17173, 18494, 25844, 34346, 36988, 51688, 68692, 73976, 93791, 120211, 137384, 187582, 240422, 375164, 480844, 656537, 750328, 961688, 1219283, 1313074, 2438566, 2626148, 4877132, 5252296, 8534981, 9754264, 17069962, 34139924, 68279848]

約数ペア:

[(1, 68279848), (2, 34139924), (4, 17069962), (7, 9754264), (8, 8534981), (13, 5252296), (14, 4877132), (26, 2626148), (28, 2438566), (52, 1313074), (56, 1219283), (71, 961688), (91, 750328), (104, 656537), (142, 480844), (182, 375164), (284, 240422), (364, 187582), (497, 137384), (568, 120211), (728, 93791), (923, 73976), (994, 68692), (1321, 51688), (1846, 36988), (1988, 34346), (2642, 25844), (3692, 18494), (3976, 17173), (5284, 12922), (6461, 10568), (7384, 9247)]