218975768

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{617}}^1$

素因数の和:780

約数の個数: 64

約数和(自身を含む): 464983200

約数和(自身を除く): 246007432

約数列:

[1, 2, 4, 8, 11, 22, 37, 44, 74, 88, 109, 148, 218, 296, 407, 436, 617, 814, 872, 1199, 1234, 1628, 2398, 2468, 3256, 4033, 4796, 4936, 6787, 8066, 9592, 13574, 16132, 22829, 27148, 32264, 44363, 45658, 54296, 67253, 88726, 91316, 134506, 177452, 182632, 251119, 269012, 354904, 502238, 538024, 739783, 1004476, 1479566, 2008952, 2488361, 2959132, 4976722, 5918264, 9953444, 19906888, 27371971, 54743942, 109487884, 218975768]

約数ペア:

[(1, 218975768), (2, 109487884), (4, 54743942), (8, 27371971), (11, 19906888), (22, 9953444), (37, 5918264), (44, 4976722), (74, 2959132), (88, 2488361), (109, 2008952), (148, 1479566), (218, 1004476), (296, 739783), (407, 538024), (436, 502238), (617, 354904), (814, 269012), (872, 251119), (1199, 182632), (1234, 177452), (1628, 134506), (2398, 91316), (2468, 88726), (3256, 67253), (4033, 54296), (4796, 45658), (4936, 44363), (6787, 32264), (8066, 27148), (9592, 22829), (13574, 16132)]