28756

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1$

素因数の和:103

約数の個数: 24

約数和(自身を含む): 62720

約数和(自身を除く): 33964

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 79, 91, 158, 182, 316, 364, 553, 1027, 1106, 2054, 2212, 4108, 7189, 14378, 28756]

約数ペア:

[(1, 28756), (2, 14378), (4, 7189), (7, 4108), (13, 2212), (14, 2054), (26, 1106), (28, 1027), (52, 553), (79, 364), (91, 316), (158, 182)]