80764364

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{55931}}^1$

素因数の和:55973

約数の個数: 18

約数和(自身を含む): 149170644

約数和(自身を除く): 68406280

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 55931, 111862, 223724, 1062689, 2125378, 4250756, 20191091, 40382182, 80764364]

約数ペア:

[(1, 80764364), (2, 40382182), (4, 20191091), (19, 4250756), (38, 2125378), (76, 1062689), (361, 223724), (722, 111862), (1444, 55931)]