488991741

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^2\times {\mathrm{73}}^1\times {\mathrm{233}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 779635584

約数和(自身を除く): 290643843

約数列:

[1, 3, 7, 21, 37, 73, 111, 219, 233, 259, 511, 699, 777, 1369, 1533, 1631, 2701, 4107, 4893, 8103, 8621, 9583, 17009, 18907, 25863, 28749, 51027, 56721, 60347, 99937, 119063, 181041, 299811, 318977, 357189, 629333, 699559, 956931, 1887999, 2098677, 2232839, 4405331, 6698517, 13215993, 23285321, 69855963, 162997247, 488991741]

約数ペア:

[(1, 488991741), (3, 162997247), (7, 69855963), (21, 23285321), (37, 13215993), (73, 6698517), (111, 4405331), (219, 2232839), (233, 2098677), (259, 1887999), (511, 956931), (699, 699559), (777, 629333), (1369, 357189), (1533, 318977), (1631, 299811), (2701, 181041), (4107, 119063), (4893, 99937), (8103, 60347), (8621, 56721), (9583, 51027), (17009, 28749), (18907, 25863)]