16579990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:217

約数の個数: 64

約数和(自身を含む): 35925120

約数和(自身を除く): 19345130

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 53, 70, 82, 106, 109, 205, 218, 265, 287, 371, 410, 530, 545, 574, 742, 763, 1090, 1435, 1526, 1855, 2173, 2870, 3710, 3815, 4346, 4469, 5777, 7630, 8938, 10865, 11554, 15211, 21730, 22345, 28885, 30422, 31283, 40439, 44690, 57770, 62566, 76055, 80878, 152110, 156415, 202195, 236857, 312830, 404390, 473714, 1184285, 1657999, 2368570, 3315998, 8289995, 16579990]

約数ペア:

[(1, 16579990), (2, 8289995), (5, 3315998), (7, 2368570), (10, 1657999), (14, 1184285), (35, 473714), (41, 404390), (53, 312830), (70, 236857), (82, 202195), (106, 156415), (109, 152110), (205, 80878), (218, 76055), (265, 62566), (287, 57770), (371, 44690), (410, 40439), (530, 31283), (545, 30422), (574, 28885), (742, 22345), (763, 21730), (1090, 15211), (1435, 11554), (1526, 10865), (1855, 8938), (2173, 7630), (2870, 5777), (3710, 4469), (3815, 4346)]