389968274

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{1721}}^1$

素因数の和:1898

約数の個数: 32

約数和(自身を含む): 632318400

約数和(自身を除く): 242350126

約数列:

[1, 2, 19, 38, 67, 89, 134, 178, 1273, 1691, 1721, 2546, 3382, 3442, 5963, 11926, 32699, 65398, 113297, 115307, 153169, 226594, 230614, 306338, 2190833, 2910211, 4381666, 5820422, 10262323, 20524646, 194984137, 389968274]

約数ペア:

[(1, 389968274), (2, 194984137), (19, 20524646), (38, 10262323), (67, 5820422), (89, 4381666), (134, 2910211), (178, 2190833), (1273, 306338), (1691, 230614), (1721, 226594), (2546, 153169), (3382, 115307), (3442, 113297), (5963, 65398), (11926, 32699)]