388545488

素因数分解:

$2^4\times {\mathrm{397}}^1\times {\mathrm{61169}}^1$

素因数の和:61574

約数の個数: 20

約数和(自身を含む): 754715460

約数和(自身を除く): 366169972

約数列:

[1, 2, 4, 8, 16, 397, 794, 1588, 3176, 6352, 61169, 122338, 244676, 489352, 978704, 24284093, 48568186, 97136372, 194272744, 388545488]

約数ペア:

[(1, 388545488), (2, 194272744), (4, 97136372), (8, 48568186), (16, 24284093), (397, 978704), (794, 489352), (1588, 244676), (3176, 122338), (6352, 61169)]