278472721

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{6659}}^1$

素因数の和:6780

約数の個数: 16

約数和(自身を含む): 306892800

約数和(自身を除く): 28420079

約数列:

[1, 19, 31, 71, 589, 1349, 2201, 6659, 41819, 126521, 206429, 472789, 3922151, 8982991, 14656459, 278472721]

約数ペア:

[(1, 278472721), (19, 14656459), (31, 8982991), (71, 3922151), (589, 472789), (1349, 206429), (2201, 126521), (6659, 41819)]