978738481

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1\times {\mathrm{613}}^1$

素因数の和:901

約数の個数: 32

約数和(自身を含む): 1199628288

約数和(自身を除く): 220889807

約数列:

[1, 7, 23, 47, 161, 211, 329, 613, 1081, 1477, 4291, 4853, 7567, 9917, 14099, 28811, 33971, 69419, 98693, 129343, 201677, 228091, 662653, 905401, 1596637, 2974889, 4638571, 6079121, 20824223, 42553847, 139819783, 978738481]

約数ペア:

[(1, 978738481), (7, 139819783), (23, 42553847), (47, 20824223), (161, 6079121), (211, 4638571), (329, 2974889), (613, 1596637), (1081, 905401), (1477, 662653), (4291, 228091), (4853, 201677), (7567, 129343), (9917, 98693), (14099, 69419), (28811, 33971)]