428379408

素因数分解:

$2^4\times 3^3\times {\mathrm{991619}}^1$

素因数の和:991636

約数の個数: 40

約数和(自身を含む): 1229608800

約数和(自身を除く): 801229392

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432, 991619, 1983238, 2974857, 3966476, 5949714, 7932952, 8924571, 11899428, 15865904, 17849142, 23798856, 26773713, 35698284, 47597712, 53547426, 71396568, 107094852, 142793136, 214189704, 428379408]

約数ペア:

[(1, 428379408), (2, 214189704), (3, 142793136), (4, 107094852), (6, 71396568), (8, 53547426), (9, 47597712), (12, 35698284), (16, 26773713), (18, 23798856), (24, 17849142), (27, 15865904), (36, 11899428), (48, 8924571), (54, 7932952), (72, 5949714), (108, 3966476), (144, 2974857), (216, 1983238), (432, 991619)]