28019985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{4523}}^1$

素因数の和:4597

約数の個数: 32

約数和(自身を含む): 52116480

約数和(自身を除く): 24096495

約数列:

[1, 3, 5, 7, 15, 21, 35, 59, 105, 177, 295, 413, 885, 1239, 2065, 4523, 6195, 13569, 22615, 31661, 67845, 94983, 158305, 266857, 474915, 800571, 1334285, 1867999, 4002855, 5603997, 9339995, 28019985]

約数ペア:

[(1, 28019985), (3, 9339995), (5, 5603997), (7, 4002855), (15, 1867999), (21, 1334285), (35, 800571), (59, 474915), (105, 266857), (177, 158305), (295, 94983), (413, 67845), (885, 31661), (1239, 22615), (2065, 13569), (4523, 6195)]