78389619

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{2477}}^1$

素因数の和:2635

約数の個数: 32

約数和(自身を含む): 131314176

約数和(自身を除く): 52924557

約数列:

[1, 3, 7, 11, 21, 33, 77, 137, 231, 411, 959, 1507, 2477, 2877, 4521, 7431, 10549, 17339, 27247, 31647, 52017, 81741, 190729, 339349, 572187, 1018047, 2375443, 3732839, 7126329, 11198517, 26129873, 78389619]

約数ペア:

[(1, 78389619), (3, 26129873), (7, 11198517), (11, 7126329), (21, 3732839), (33, 2375443), (77, 1018047), (137, 572187), (231, 339349), (411, 190729), (959, 81741), (1507, 52017), (2477, 31647), (2877, 27247), (4521, 17339), (7431, 10549)]