217804538

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{2609}}^1$

素因数の和:2774

約数の個数: 32

約数和(自身を含む): 383356800

約数和(自身を除く): 165552262

約数列:

[1, 2, 7, 14, 67, 89, 134, 178, 469, 623, 938, 1246, 2609, 5218, 5963, 11926, 18263, 36526, 41741, 83482, 174803, 232201, 349606, 464402, 1223621, 1625407, 2447242, 3250814, 15557467, 31114934, 108902269, 217804538]

約数ペア:

[(1, 217804538), (2, 108902269), (7, 31114934), (14, 15557467), (67, 3250814), (89, 2447242), (134, 1625407), (178, 1223621), (469, 464402), (623, 349606), (938, 232201), (1246, 174803), (2609, 83482), (5218, 41741), (5963, 36526), (11926, 18263)]