878291284

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{107581}}^1$

素因数の和:107755

約数の個数: 24

約数和(自身を含む): 1665799688

約数和(自身を除く): 787508404

約数列:

[1, 2, 4, 13, 26, 52, 157, 314, 628, 2041, 4082, 8164, 107581, 215162, 430324, 1398553, 2797106, 5594212, 16890217, 33780434, 67560868, 219572821, 439145642, 878291284]

約数ペア:

[(1, 878291284), (2, 439145642), (4, 219572821), (13, 67560868), (26, 33780434), (52, 16890217), (157, 5594212), (314, 2797106), (628, 1398553), (2041, 430324), (4082, 215162), (8164, 107581)]