389611348

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{64123}}^1$

素因数の和:64172

約数の個数: 36

約数和(自身を含む): 818735232

約数和(自身を除く): 429123884

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 196, 217, 434, 868, 1519, 3038, 6076, 64123, 128246, 256492, 448861, 897722, 1795444, 1987813, 3142027, 3975626, 6284054, 7951252, 12568108, 13914691, 27829382, 55658764, 97402837, 194805674, 389611348]

約数ペア:

[(1, 389611348), (2, 194805674), (4, 97402837), (7, 55658764), (14, 27829382), (28, 13914691), (31, 12568108), (49, 7951252), (62, 6284054), (98, 3975626), (124, 3142027), (196, 1987813), (217, 1795444), (434, 897722), (868, 448861), (1519, 256492), (3038, 128246), (6076, 64123)]