86777978

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{2347}}^1$

素因数の和:2514

約数の個数: 32

約数和(自身を含む): 157785600

約数和(自身を除く): 71007622

約数列:

[1, 2, 7, 14, 19, 38, 133, 139, 266, 278, 973, 1946, 2347, 2641, 4694, 5282, 16429, 18487, 32858, 36974, 44593, 89186, 312151, 326233, 624302, 652466, 2283631, 4567262, 6198427, 12396854, 43388989, 86777978]

約数ペア:

[(1, 86777978), (2, 43388989), (7, 12396854), (14, 6198427), (19, 4567262), (38, 2283631), (133, 652466), (139, 624302), (266, 326233), (278, 312151), (973, 89186), (1946, 44593), (2347, 36974), (2641, 32858), (4694, 18487), (5282, 16429)]