28000336

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19231}}^1$

素因数の和:19259

約数の個数: 40

約数和(自身を含む): 66773504

約数和(自身を除く): 38773168

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 19231, 38462, 76924, 134617, 153848, 250003, 269234, 307696, 500006, 538468, 1000012, 1076936, 1750021, 2000024, 2153872, 3500042, 4000048, 7000084, 14000168, 28000336]

約数ペア:

[(1, 28000336), (2, 14000168), (4, 7000084), (7, 4000048), (8, 3500042), (13, 2153872), (14, 2000024), (16, 1750021), (26, 1076936), (28, 1000012), (52, 538468), (56, 500006), (91, 307696), (104, 269234), (112, 250003), (182, 153848), (208, 134617), (364, 76924), (728, 38462), (1456, 19231)]