80621788

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{6277}}^1$

素因数の和:6326

約数の個数: 36

約数和(自身を含む): 160842360

約数和(自身を除く): 80220572

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 169, 247, 338, 494, 676, 988, 3211, 6277, 6422, 12554, 12844, 25108, 81601, 119263, 163202, 238526, 326404, 477052, 1060813, 1550419, 2121626, 3100838, 4243252, 6201676, 20155447, 40310894, 80621788]

約数ペア:

[(1, 80621788), (2, 40310894), (4, 20155447), (13, 6201676), (19, 4243252), (26, 3100838), (38, 2121626), (52, 1550419), (76, 1060813), (169, 477052), (247, 326404), (338, 238526), (494, 163202), (676, 119263), (988, 81601), (3211, 25108), (6277, 12844), (6422, 12554)]