2478798

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{191}}^1$

素因数の和:309

約数の個数: 48

約数和(自身を含む): 6230016

約数和(自身を除く): 3751218

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 103, 126, 191, 206, 309, 382, 573, 618, 721, 927, 1146, 1337, 1442, 1719, 1854, 2163, 2674, 3438, 4011, 4326, 6489, 8022, 12033, 12978, 19673, 24066, 39346, 59019, 118038, 137711, 177057, 275422, 354114, 413133, 826266, 1239399, 2478798]

約数ペア:

[(1, 2478798), (2, 1239399), (3, 826266), (6, 413133), (7, 354114), (9, 275422), (14, 177057), (18, 137711), (21, 118038), (42, 59019), (63, 39346), (103, 24066), (126, 19673), (191, 12978), (206, 12033), (309, 8022), (382, 6489), (573, 4326), (618, 4011), (721, 3438), (927, 2674), (1146, 2163), (1337, 1854), (1442, 1719)]