278399436

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{20333}}^1$

素因数の和:20510

約数の個数: 48

約数和(自身を含む): 746989824

約数和(自身を除く): 468590388

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 163, 326, 489, 652, 978, 1141, 1956, 2282, 3423, 4564, 6846, 13692, 20333, 40666, 60999, 81332, 121998, 142331, 243996, 284662, 426993, 569324, 853986, 1707972, 3314279, 6628558, 9942837, 13257116, 19885674, 23199953, 39771348, 46399906, 69599859, 92799812, 139199718, 278399436]

約数ペア:

[(1, 278399436), (2, 139199718), (3, 92799812), (4, 69599859), (6, 46399906), (7, 39771348), (12, 23199953), (14, 19885674), (21, 13257116), (28, 9942837), (42, 6628558), (84, 3314279), (163, 1707972), (326, 853986), (489, 569324), (652, 426993), (978, 284662), (1141, 243996), (1956, 142331), (2282, 121998), (3423, 81332), (4564, 60999), (6846, 40666), (13692, 20333)]