81241916

素因数分解:

$2^2\times 7^1\times {\mathrm{1423}}^1\times {\mathrm{2039}}^1$

素因数の和:3473

約数の個数: 24

約数和(自身を含む): 162677760

約数和(自身を除く): 81435844

約数列:

[1, 2, 4, 7, 14, 28, 1423, 2039, 2846, 4078, 5692, 8156, 9961, 14273, 19922, 28546, 39844, 57092, 2901497, 5802994, 11605988, 20310479, 40620958, 81241916]

約数ペア:

[(1, 81241916), (2, 40620958), (4, 20310479), (7, 11605988), (14, 5802994), (28, 2901497), (1423, 57092), (2039, 39844), (2846, 28546), (4078, 19922), (5692, 14273), (8156, 9961)]