612131618

素因数分解:

$2^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{137}}^1\times {\mathrm{359}}^1$

素因数の和:639

約数の個数: 48

約数和(自身を含む): 1087395840

約数和(自身を除く): 475264222

約数列:

[1, 2, 7, 14, 49, 98, 127, 137, 254, 274, 359, 718, 889, 959, 1778, 1918, 2513, 5026, 6223, 6713, 12446, 13426, 17399, 17591, 34798, 35182, 45593, 49183, 91186, 98366, 121793, 243586, 319151, 344281, 638302, 688562, 852551, 1705102, 2234057, 2409967, 4468114, 4819934, 6246241, 12492482, 43723687, 87447374, 306065809, 612131618]

約数ペア:

[(1, 612131618), (2, 306065809), (7, 87447374), (14, 43723687), (49, 12492482), (98, 6246241), (127, 4819934), (137, 4468114), (254, 2409967), (274, 2234057), (359, 1705102), (718, 852551), (889, 688562), (959, 638302), (1778, 344281), (1918, 319151), (2513, 243586), (5026, 121793), (6223, 98366), (6713, 91186), (12446, 49183), (13426, 45593), (17399, 35182), (17591, 34798)]