31509942

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1$

素因数の和:341

約数の個数: 64

約数和(自身を含む): 71539200

約数和(自身を除く): 40029258

約数列:

[1, 2, 3, 6, 17, 19, 34, 38, 51, 57, 71, 102, 114, 142, 213, 229, 323, 426, 458, 646, 687, 969, 1207, 1349, 1374, 1938, 2414, 2698, 3621, 3893, 4047, 4351, 7242, 7786, 8094, 8702, 11679, 13053, 16259, 22933, 23358, 26106, 32518, 45866, 48777, 68799, 73967, 97554, 137598, 147934, 221901, 276403, 308921, 443802, 552806, 617842, 829209, 926763, 1658418, 1853526, 5251657, 10503314, 15754971, 31509942]

約数ペア:

[(1, 31509942), (2, 15754971), (3, 10503314), (6, 5251657), (17, 1853526), (19, 1658418), (34, 926763), (38, 829209), (51, 617842), (57, 552806), (71, 443802), (102, 308921), (114, 276403), (142, 221901), (213, 147934), (229, 137598), (323, 97554), (426, 73967), (458, 68799), (646, 48777), (687, 45866), (969, 32518), (1207, 26106), (1349, 23358), (1374, 22933), (1938, 16259), (2414, 13053), (2698, 11679), (3621, 8702), (3893, 8094), (4047, 7786), (4351, 7242)]