90280618

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{20509}}^1$

素因数の和:20613

約数の個数: 16

約数和(自身を含む): 141765120

約数和(自身を除く): 51484502

約数列:

[1, 2, 31, 62, 71, 142, 2201, 4402, 20509, 41018, 635779, 1271558, 1456139, 2912278, 45140309, 90280618]

約数ペア:

[(1, 90280618), (2, 45140309), (31, 2912278), (62, 1456139), (71, 1271558), (142, 635779), (2201, 41018), (4402, 20509)]