400575335

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1\times {\mathrm{541}}^1$

素因数の和:875

約数の個数: 32

約数和(自身を含む): 528228864

約数和(自身を除く): 127653529

約数列:

[1, 5, 17, 31, 85, 155, 281, 527, 541, 1405, 2635, 2705, 4777, 8711, 9197, 16771, 23885, 43555, 45985, 83855, 148087, 152021, 285107, 740435, 760105, 1425535, 2584357, 4712651, 12921785, 23563255, 80115067, 400575335]

約数ペア:

[(1, 400575335), (5, 80115067), (17, 23563255), (31, 12921785), (85, 4712651), (155, 2584357), (281, 1425535), (527, 760105), (541, 740435), (1405, 285107), (2635, 152021), (2705, 148087), (4777, 83855), (8711, 45985), (9197, 43555), (16771, 23885)]