1279391230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{209393}}^1$

素因数の和:209460

約数の個数: 32

約数和(自身を含む): 2532829824

約数和(自身を除く): 1253438594

約数列:

[1, 2, 5, 10, 13, 26, 47, 65, 94, 130, 235, 470, 611, 1222, 3055, 6110, 209393, 418786, 1046965, 2093930, 2722109, 5444218, 9841471, 13610545, 19682942, 27221090, 49207355, 98414710, 127939123, 255878246, 639695615, 1279391230]

約数ペア:

[(1, 1279391230), (2, 639695615), (5, 255878246), (10, 127939123), (13, 98414710), (26, 49207355), (47, 27221090), (65, 19682942), (94, 13610545), (130, 9841471), (235, 5444218), (470, 2722109), (611, 2093930), (1222, 1046965), (3055, 418786), (6110, 209393)]