720291364

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{3037}}^1\times {\mathrm{4561}}^1$

素因数の和:7615

約数の個数: 24

約数和(自身を含む): 1358216888

約数和(自身を除く): 637925524

約数列:

[1, 2, 4, 13, 26, 52, 3037, 4561, 6074, 9122, 12148, 18244, 39481, 59293, 78962, 118586, 157924, 237172, 13851757, 27703514, 55407028, 180072841, 360145682, 720291364]

約数ペア:

[(1, 720291364), (2, 360145682), (4, 180072841), (13, 55407028), (26, 27703514), (52, 13851757), (3037, 237172), (4561, 157924), (6074, 118586), (9122, 78962), (12148, 59293), (18244, 39481)]