13890548

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 28976640

約数和(自身を除く): 15086092

約数列:

[1, 2, 4, 7, 14, 28, 43, 83, 86, 139, 166, 172, 278, 301, 332, 556, 581, 602, 973, 1162, 1204, 1946, 2324, 3569, 3892, 5977, 7138, 11537, 11954, 14276, 23074, 23908, 24983, 41839, 46148, 49966, 80759, 83678, 99932, 161518, 167356, 323036, 496091, 992182, 1984364, 3472637, 6945274, 13890548]

約数ペア:

[(1, 13890548), (2, 6945274), (4, 3472637), (7, 1984364), (14, 992182), (28, 496091), (43, 323036), (83, 167356), (86, 161518), (139, 99932), (166, 83678), (172, 80759), (278, 49966), (301, 46148), (332, 41839), (556, 24983), (581, 23908), (602, 23074), (973, 14276), (1162, 11954), (1204, 11537), (1946, 7138), (2324, 5977), (3569, 3892)]