66798396

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1907}}^1$

素因数の和:2063

約数の個数: 72

約数和(自身を含む): 194463360

約数和(自身を除く): 127664964

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 139, 252, 278, 417, 556, 834, 973, 1251, 1668, 1907, 1946, 2502, 2919, 3814, 3892, 5004, 5721, 5838, 7628, 8757, 11442, 11676, 13349, 17163, 17514, 22884, 26698, 34326, 35028, 40047, 53396, 68652, 80094, 120141, 160188, 240282, 265073, 480564, 530146, 795219, 1060292, 1590438, 1855511, 2385657, 3180876, 3711022, 4771314, 5566533, 7422044, 9542628, 11133066, 16699599, 22266132, 33399198, 66798396]

約数ペア:

[(1, 66798396), (2, 33399198), (3, 22266132), (4, 16699599), (6, 11133066), (7, 9542628), (9, 7422044), (12, 5566533), (14, 4771314), (18, 3711022), (21, 3180876), (28, 2385657), (36, 1855511), (42, 1590438), (63, 1060292), (84, 795219), (126, 530146), (139, 480564), (252, 265073), (278, 240282), (417, 160188), (556, 120141), (834, 80094), (973, 68652), (1251, 53396), (1668, 40047), (1907, 35028), (1946, 34326), (2502, 26698), (2919, 22884), (3814, 17514), (3892, 17163), (5004, 13349), (5721, 11676), (5838, 11442), (7628, 8757)]