1640383943

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{2687}}^1$

素因数の和:2867

約数の個数: 32

約数和(自身を含む): 1981808640

約数和(自身を除く): 341424697

約数列:

[1, 11, 19, 23, 127, 209, 253, 437, 1397, 2413, 2687, 2921, 4807, 26543, 29557, 32131, 51053, 55499, 61801, 341249, 561583, 610489, 679811, 1174219, 3753739, 6483731, 7848727, 12916409, 71321041, 86335997, 149125813, 1640383943]

約数ペア:

[(1, 1640383943), (11, 149125813), (19, 86335997), (23, 71321041), (127, 12916409), (209, 7848727), (253, 6483731), (437, 3753739), (1397, 1174219), (2413, 679811), (2687, 610489), (2921, 561583), (4807, 341249), (26543, 61801), (29557, 55499), (32131, 51053)]