389615984

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{353}}^1\times {\mathrm{683}}^1$

素因数の和:1145

約数の個数: 40

約数和(自身を含む): 765634032

約数和(自身を除く): 376018048

約数列:

[1, 2, 4, 8, 16, 101, 202, 353, 404, 683, 706, 808, 1366, 1412, 1616, 2732, 2824, 5464, 5648, 10928, 35653, 68983, 71306, 137966, 142612, 241099, 275932, 285224, 482198, 551864, 570448, 964396, 1103728, 1928792, 3857584, 24350999, 48701998, 97403996, 194807992, 389615984]

約数ペア:

[(1, 389615984), (2, 194807992), (4, 97403996), (8, 48701998), (16, 24350999), (101, 3857584), (202, 1928792), (353, 1103728), (404, 964396), (683, 570448), (706, 551864), (808, 482198), (1366, 285224), (1412, 275932), (1616, 241099), (2732, 142612), (2824, 137966), (5464, 71306), (5648, 68983), (10928, 35653)]