81863572

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67993}}^1$

素因数の和:68047

約数の個数: 24

約数和(自身を含む): 167537216

約数和(自身を除く): 85673644

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 67993, 135986, 271972, 475951, 951902, 1903804, 2923699, 5847398, 11694796, 20465893, 40931786, 81863572]

約数ペア:

[(1, 81863572), (2, 40931786), (4, 20465893), (7, 11694796), (14, 5847398), (28, 2923699), (43, 1903804), (86, 951902), (172, 475951), (301, 271972), (602, 135986), (1204, 67993)]