1621000355

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{881}}^1\times {\mathrm{28307}}^1$

素因数の和:29206

約数の個数: 16

約数和(自身を含む): 2097283104

約数和(自身を除く): 476282749

約数列:

[1, 5, 13, 65, 881, 4405, 11453, 28307, 57265, 141535, 367991, 1839955, 24938467, 124692335, 324200071, 1621000355]

約数ペア:

[(1, 1621000355), (5, 324200071), (13, 124692335), (65, 24938467), (881, 1839955), (4405, 367991), (11453, 141535), (28307, 57265)]