81415236

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{15889}}^1$

素因数の和:15964

約数の個数: 48

約数和(自身を含む): 220680320

約数和(自身を除く): 139265084

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 61, 84, 122, 183, 244, 366, 427, 732, 854, 1281, 1708, 2562, 5124, 15889, 31778, 47667, 63556, 95334, 111223, 190668, 222446, 333669, 444892, 667338, 969229, 1334676, 1938458, 2907687, 3876916, 5815374, 6784603, 11630748, 13569206, 20353809, 27138412, 40707618, 81415236]

約数ペア:

[(1, 81415236), (2, 40707618), (3, 27138412), (4, 20353809), (6, 13569206), (7, 11630748), (12, 6784603), (14, 5815374), (21, 3876916), (28, 2907687), (42, 1938458), (61, 1334676), (84, 969229), (122, 667338), (183, 444892), (244, 333669), (366, 222446), (427, 190668), (732, 111223), (854, 95334), (1281, 63556), (1708, 47667), (2562, 31778), (5124, 15889)]