253674722

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{2137}}^1$

素因数の和:2346

約数の個数: 32

約数和(自身を含む): 445388160

約数和(自身を除く): 191713438

約数列:

[1, 2, 7, 14, 61, 122, 139, 278, 427, 854, 973, 1946, 2137, 4274, 8479, 14959, 16958, 29918, 59353, 118706, 130357, 260714, 297043, 594086, 912499, 1824998, 2079301, 4158602, 18119623, 36239246, 126837361, 253674722]

約数ペア:

[(1, 253674722), (2, 126837361), (7, 36239246), (14, 18119623), (61, 4158602), (122, 2079301), (139, 1824998), (278, 912499), (427, 594086), (854, 297043), (973, 260714), (1946, 130357), (2137, 118706), (4274, 59353), (8479, 29918), (14959, 16958)]