990147364

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{239}}^1\times {\mathrm{16979}}^1$

素因数の和:17283

約数の個数: 24

約数和(自身を含む): 1768636800

約数和(自身を除く): 778489436

約数列:

[1, 2, 4, 61, 122, 239, 244, 478, 956, 14579, 16979, 29158, 33958, 58316, 67916, 1035719, 2071438, 4057981, 4142876, 8115962, 16231924, 247536841, 495073682, 990147364]

約数ペア:

[(1, 990147364), (2, 495073682), (4, 247536841), (61, 16231924), (122, 8115962), (239, 4142876), (244, 4057981), (478, 2071438), (956, 1035719), (14579, 67916), (16979, 58316), (29158, 33958)]