2017806973

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{239}}^1\times {\mathrm{257}}^1$

素因数の和:554

約数の個数: 48

約数和(自身を含む): 2642250240

約数和(自身を除く): 624443267

約数列:

[1, 7, 13, 19, 91, 133, 239, 247, 257, 361, 1673, 1729, 1799, 2527, 3107, 3341, 4541, 4693, 4883, 21749, 23387, 31787, 32851, 34181, 59033, 61423, 63479, 86279, 92777, 413231, 429961, 444353, 603953, 649439, 798499, 1121627, 1167037, 1206101, 5589493, 7851389, 8169259, 8442707, 15171481, 22173703, 106200367, 155215921, 288258139, 2017806973]

約数ペア:

[(1, 2017806973), (7, 288258139), (13, 155215921), (19, 106200367), (91, 22173703), (133, 15171481), (239, 8442707), (247, 8169259), (257, 7851389), (361, 5589493), (1673, 1206101), (1729, 1167037), (1799, 1121627), (2527, 798499), (3107, 649439), (3341, 603953), (4541, 444353), (4693, 429961), (4883, 413231), (21749, 92777), (23387, 86279), (31787, 63479), (32851, 61423), (34181, 59033)]