1997478

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{191}}^1$

素因数の和:289

約数の個数: 48

約数和(自身を含む): 5031936

約数和(自身を除く): 3034458

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 83, 126, 166, 191, 249, 382, 498, 573, 581, 747, 1146, 1162, 1337, 1494, 1719, 1743, 2674, 3438, 3486, 4011, 5229, 8022, 10458, 12033, 15853, 24066, 31706, 47559, 95118, 110971, 142677, 221942, 285354, 332913, 665826, 998739, 1997478]

約数ペア:

[(1, 1997478), (2, 998739), (3, 665826), (6, 332913), (7, 285354), (9, 221942), (14, 142677), (18, 110971), (21, 95118), (42, 47559), (63, 31706), (83, 24066), (126, 15853), (166, 12033), (191, 10458), (249, 8022), (382, 5229), (498, 4011), (573, 3486), (581, 3438), (747, 2674), (1146, 1743), (1162, 1719), (1337, 1494)]