214310005

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{8887}}^1$

素因数の和:8965

約数の個数: 32

約数和(自身を含む): 322527744

約数和(自身を除く): 108217739

約数列:

[1, 5, 7, 13, 35, 53, 65, 91, 265, 371, 455, 689, 1855, 3445, 4823, 8887, 24115, 44435, 62209, 115531, 311045, 471011, 577655, 808717, 2355055, 3297077, 4043585, 6123143, 16485385, 30615715, 42862001, 214310005]

約数ペア:

[(1, 214310005), (5, 42862001), (7, 30615715), (13, 16485385), (35, 6123143), (53, 4043585), (65, 3297077), (91, 2355055), (265, 808717), (371, 577655), (455, 471011), (689, 311045), (1855, 115531), (3445, 62209), (4823, 44435), (8887, 24115)]