256427652

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{26947}}^1$

素因数の和:27028

約数の個数: 48

約数和(自身を含む): 654944192

約数和(自身を除く): 398516540

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 61, 78, 122, 156, 183, 244, 366, 732, 793, 1586, 2379, 3172, 4758, 9516, 26947, 53894, 80841, 107788, 161682, 323364, 350311, 700622, 1050933, 1401244, 1643767, 2101866, 3287534, 4203732, 4931301, 6575068, 9862602, 19725204, 21368971, 42737942, 64106913, 85475884, 128213826, 256427652]

約数ペア:

[(1, 256427652), (2, 128213826), (3, 85475884), (4, 64106913), (6, 42737942), (12, 21368971), (13, 19725204), (26, 9862602), (39, 6575068), (52, 4931301), (61, 4203732), (78, 3287534), (122, 2101866), (156, 1643767), (183, 1401244), (244, 1050933), (366, 700622), (732, 350311), (793, 323364), (1586, 161682), (2379, 107788), (3172, 80841), (4758, 53894), (9516, 26947)]