80211868

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{103}}^1\times {\mathrm{1609}}^1$

素因数の和:1738

約数の個数: 36

約数和(自身を含む): 155886640

約数和(自身を除く): 75674772

約数列:

[1, 2, 4, 11, 22, 44, 103, 121, 206, 242, 412, 484, 1133, 1609, 2266, 3218, 4532, 6436, 12463, 17699, 24926, 35398, 49852, 70796, 165727, 194689, 331454, 389378, 662908, 778756, 1822997, 3645994, 7291988, 20052967, 40105934, 80211868]

約数ペア:

[(1, 80211868), (2, 40105934), (4, 20052967), (11, 7291988), (22, 3645994), (44, 1822997), (103, 778756), (121, 662908), (206, 389378), (242, 331454), (412, 194689), (484, 165727), (1133, 70796), (1609, 49852), (2266, 35398), (3218, 24926), (4532, 17699), (6436, 12463)]