256920065

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{443}}^1\times {\mathrm{6823}}^1$

素因数の和:7288

約数の個数: 16

約数和(自身を含む): 327224448

約数和(自身を除く): 70304383

約数列:

[1, 5, 17, 85, 443, 2215, 6823, 7531, 34115, 37655, 115991, 579955, 3022589, 15112945, 51384013, 256920065]

約数ペア:

[(1, 256920065), (5, 51384013), (17, 15112945), (85, 3022589), (443, 579955), (2215, 115991), (6823, 37655), (7531, 34115)]