77991508

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{307}}^1$

素因数の和:572

約数の個数: 48

約数和(自身を含む): 160889344

約数和(自身を除く): 82897836

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 211, 301, 307, 422, 602, 614, 844, 1204, 1228, 1477, 2149, 2954, 4298, 5908, 8596, 9073, 13201, 18146, 26402, 36292, 52804, 63511, 64777, 92407, 127022, 129554, 184814, 254044, 259108, 369628, 453439, 906878, 1813756, 2785411, 5570822, 11141644, 19497877, 38995754, 77991508]

約数ペア:

[(1, 77991508), (2, 38995754), (4, 19497877), (7, 11141644), (14, 5570822), (28, 2785411), (43, 1813756), (86, 906878), (172, 453439), (211, 369628), (301, 259108), (307, 254044), (422, 184814), (602, 129554), (614, 127022), (844, 92407), (1204, 64777), (1228, 63511), (1477, 52804), (2149, 36292), (2954, 26402), (4298, 18146), (5908, 13201), (8596, 9073)]