638650070

素因数分解:

$2^1\times 5^1\times {\mathrm{13063}}^1\times {\mathrm{4889}}^1$

素因数の和:17959

約数の個数: 16

約数和(自身を含む): 1149893280

約数和(自身を除く): 511243210

約数列:

[1, 2, 5, 10, 4889, 9778, 13063, 24445, 26126, 48890, 65315, 130630, 63865007, 127730014, 319325035, 638650070]

約数ペア:

[(1, 638650070), (2, 319325035), (5, 127730014), (10, 63865007), (4889, 130630), (9778, 65315), (13063, 48890), (24445, 26126)]