2781688

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3821}}^1$

素因数の和:3847

約数の個数: 32

約数和(自身を含む): 6420960

約数和(自身を除く): 3639272

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 3821, 7642, 15284, 26747, 30568, 49673, 53494, 99346, 106988, 198692, 213976, 347711, 397384, 695422, 1390844, 2781688]

約数ペア:

[(1, 2781688), (2, 1390844), (4, 695422), (7, 397384), (8, 347711), (13, 213976), (14, 198692), (26, 106988), (28, 99346), (52, 53494), (56, 49673), (91, 30568), (104, 26747), (182, 15284), (364, 7642), (728, 3821)]