81804164

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{1637}}^1$

素因数の和:1716

約数の個数: 36

約数和(自身を含む): 159400332

約数和(自身を除く): 77596168

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 961, 1612, 1637, 1922, 3274, 3844, 6548, 12493, 21281, 24986, 42562, 49972, 50747, 85124, 101494, 202988, 659711, 1319422, 1573157, 2638844, 3146314, 6292628, 20451041, 40902082, 81804164]

約数ペア:

[(1, 81804164), (2, 40902082), (4, 20451041), (13, 6292628), (26, 3146314), (31, 2638844), (52, 1573157), (62, 1319422), (124, 659711), (403, 202988), (806, 101494), (961, 85124), (1612, 50747), (1637, 49972), (1922, 42562), (3274, 24986), (3844, 21281), (6548, 12493)]