28139384

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{38653}}^1$

素因数の和:38679

約数の個数: 32

約数和(自身を含む): 64938720

約数和(自身を除く): 36799336

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 38653, 77306, 154612, 270571, 309224, 502489, 541142, 1004978, 1082284, 2009956, 2164568, 3517423, 4019912, 7034846, 14069692, 28139384]

約数ペア:

[(1, 28139384), (2, 14069692), (4, 7034846), (7, 4019912), (8, 3517423), (13, 2164568), (14, 2009956), (26, 1082284), (28, 1004978), (52, 541142), (56, 502489), (91, 309224), (104, 270571), (182, 154612), (364, 77306), (728, 38653)]