257630424

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{564979}}^1$

素因数の和:565007

約数の個数: 32

約数和(自身を含む): 677976000

約数和(自身を除く): 420345576

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 152, 228, 456, 564979, 1129958, 1694937, 2259916, 3389874, 4519832, 6779748, 10734601, 13559496, 21469202, 32203803, 42938404, 64407606, 85876808, 128815212, 257630424]

約数ペア:

[(1, 257630424), (2, 128815212), (3, 85876808), (4, 64407606), (6, 42938404), (8, 32203803), (12, 21469202), (19, 13559496), (24, 10734601), (38, 6779748), (57, 4519832), (76, 3389874), (114, 2259916), (152, 1694937), (228, 1129958), (456, 564979)]