81127438

素因数分解:

$2^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1$

素因数の和:449

約数の個数: 48

約数和(自身を含む): 147834288

約数和(自身を除く): 66706850

約数列:

[1, 2, 7, 14, 41, 49, 61, 82, 98, 122, 287, 331, 427, 574, 662, 854, 2009, 2317, 2501, 2989, 4018, 4634, 5002, 5978, 13571, 16219, 17507, 20191, 27142, 32438, 35014, 40382, 94997, 122549, 141337, 189994, 245098, 282674, 664979, 827831, 989359, 1329958, 1655662, 1978718, 5794817, 11589634, 40563719, 81127438]

約数ペア:

[(1, 81127438), (2, 40563719), (7, 11589634), (14, 5794817), (41, 1978718), (49, 1655662), (61, 1329958), (82, 989359), (98, 827831), (122, 664979), (287, 282674), (331, 245098), (427, 189994), (574, 141337), (662, 122549), (854, 94997), (2009, 40382), (2317, 35014), (2501, 32438), (2989, 27142), (4018, 20191), (4634, 17507), (5002, 16219), (5978, 13571)]