72117628

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{641}}^1\times {\mathrm{2557}}^1$

素因数の和:3213

約数の個数: 24

約数和(自身を含む): 137947824

約数和(自身を除く): 65830196

約数列:

[1, 2, 4, 11, 22, 44, 641, 1282, 2557, 2564, 5114, 7051, 10228, 14102, 28127, 28204, 56254, 112508, 1639037, 3278074, 6556148, 18029407, 36058814, 72117628]

約数ペア:

[(1, 72117628), (2, 36058814), (4, 18029407), (11, 6556148), (22, 3278074), (44, 1639037), (641, 112508), (1282, 56254), (2557, 28204), (2564, 28127), (5114, 14102), (7051, 10228)]