540765394

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{1487}}^1$

素因数の和:1770

約数の個数: 32

約数和(自身を含む): 890942976

約数和(自身を除く): 350177582

約数列:

[1, 2, 13, 26, 71, 142, 197, 394, 923, 1487, 1846, 2561, 2974, 5122, 13987, 19331, 27974, 38662, 105577, 181831, 211154, 292939, 363662, 585878, 1372501, 2745002, 3808207, 7616414, 20798669, 41597338, 270382697, 540765394]

約数ペア:

[(1, 540765394), (2, 270382697), (13, 41597338), (26, 20798669), (71, 7616414), (142, 3808207), (197, 2745002), (394, 1372501), (923, 585878), (1487, 363662), (1846, 292939), (2561, 211154), (2974, 181831), (5122, 105577), (13987, 38662), (19331, 27974)]