389664942

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{10987}}^1$

素因数の和:11272

約数の個数: 32

約数和(自身を含む): 816452352

約数和(自身を除く): 426787410

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 257, 514, 771, 1542, 5911, 10987, 11822, 17733, 21974, 32961, 35466, 65922, 252701, 505402, 758103, 1516206, 2823659, 5647318, 8470977, 16941954, 64944157, 129888314, 194832471, 389664942]

約数ペア:

[(1, 389664942), (2, 194832471), (3, 129888314), (6, 64944157), (23, 16941954), (46, 8470977), (69, 5647318), (138, 2823659), (257, 1516206), (514, 758103), (771, 505402), (1542, 252701), (5911, 65922), (10987, 35466), (11822, 32961), (17733, 21974)]