420500816

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{430841}}^1$

素因数の和:430910

約数の個数: 20

約数和(自身を含む): 828078324

約数和(自身を除く): 407577508

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 430841, 861682, 1723364, 3446728, 6893456, 26281301, 52562602, 105125204, 210250408, 420500816]

約数ペア:

[(1, 420500816), (2, 210250408), (4, 105125204), (8, 52562602), (16, 26281301), (61, 6893456), (122, 3446728), (244, 1723364), (488, 861682), (976, 430841)]