12971425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1327}}^1$

素因数の和:1377

約数の個数: 24

約数和(自身を含む): 17784576

約数和(自身を除く): 4813151

約数列:

[1, 5, 17, 23, 25, 85, 115, 391, 425, 575, 1327, 1955, 6635, 9775, 22559, 30521, 33175, 112795, 152605, 518857, 563975, 763025, 2594285, 12971425]

約数ペア:

[(1, 12971425), (5, 2594285), (17, 763025), (23, 563975), (25, 518857), (85, 152605), (115, 112795), (391, 33175), (425, 30521), (575, 22559), (1327, 9775), (1955, 6635)]