64718390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{18979}}^1$

素因数の和:19028

約数の個数: 32

約数和(自身を含む): 131189760

約数和(自身を除く): 66471370

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 310, 341, 682, 1705, 3410, 18979, 37958, 94895, 189790, 208769, 417538, 588349, 1043845, 1176698, 2087690, 2941745, 5883490, 6471839, 12943678, 32359195, 64718390]

約数ペア:

[(1, 64718390), (2, 32359195), (5, 12943678), (10, 6471839), (11, 5883490), (22, 2941745), (31, 2087690), (55, 1176698), (62, 1043845), (110, 588349), (155, 417538), (310, 208769), (341, 189790), (682, 94895), (1705, 37958), (3410, 18979)]