128973905

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{7069}}^1$

素因数の和:7204

約数の個数: 16

約数和(自身を含む): 160347600

約数和(自身を除く): 31373695

約数列:

[1, 5, 41, 89, 205, 445, 3649, 7069, 18245, 35345, 289829, 629141, 1449145, 3145705, 25794781, 128973905]

約数ペア:

[(1, 128973905), (5, 25794781), (41, 3145705), (89, 1449145), (205, 629141), (445, 289829), (3649, 35345), (7069, 18245)]