420541808

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{430883}}^1$

素因数の和:430952

約数の個数: 20

約数和(自身を含む): 828159048

約数和(自身を除く): 407617240

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 430883, 861766, 1723532, 3447064, 6894128, 26283863, 52567726, 105135452, 210270904, 420541808]

約数ペア:

[(1, 420541808), (2, 210270904), (4, 105135452), (8, 52567726), (16, 26283863), (61, 6894128), (122, 3447064), (244, 1723532), (488, 861766), (976, 430883)]