261994992

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{779747}}^1$

素因数の和:779765

約数の個数: 40

約数和(自身を含む): 773510016

約数和(自身を除く): 511515024

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 779747, 1559494, 2339241, 3118988, 4678482, 5458229, 6237976, 9356964, 10916458, 12475952, 16374687, 18713928, 21832916, 32749374, 37427856, 43665832, 65498748, 87331664, 130997496, 261994992]

約数ペア:

[(1, 261994992), (2, 130997496), (3, 87331664), (4, 65498748), (6, 43665832), (7, 37427856), (8, 32749374), (12, 21832916), (14, 18713928), (16, 16374687), (21, 12475952), (24, 10916458), (28, 9356964), (42, 6237976), (48, 5458229), (56, 4678482), (84, 3118988), (112, 2339241), (168, 1559494), (336, 779747)]