251580928

素因数分解:

$2^9\times {\mathrm{89}}^1\times {\mathrm{5521}}^1$

素因数の和:5628

約数の個数: 40

約数和(自身を含む): 508410540

約数和(自身を除く): 256829612

約数列:

[1, 2, 4, 8, 16, 32, 64, 89, 128, 178, 256, 356, 512, 712, 1424, 2848, 5521, 5696, 11042, 11392, 22084, 22784, 44168, 45568, 88336, 176672, 353344, 491369, 706688, 982738, 1413376, 1965476, 2826752, 3930952, 7861904, 15723808, 31447616, 62895232, 125790464, 251580928]

約数ペア:

[(1, 251580928), (2, 125790464), (4, 62895232), (8, 31447616), (16, 15723808), (32, 7861904), (64, 3930952), (89, 2826752), (128, 1965476), (178, 1413376), (256, 982738), (356, 706688), (512, 491369), (712, 353344), (1424, 176672), (2848, 88336), (5521, 45568), (5696, 44168), (11042, 22784), (11392, 22084)]