87654518

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{1987}}^1$

素因数の和:2156

約数の個数: 32

約数和(自身を含む): 158022144

約数和(自身を除く): 70367626

約数列:

[1, 2, 7, 14, 23, 46, 137, 161, 274, 322, 959, 1918, 1987, 3151, 3974, 6302, 13909, 22057, 27818, 44114, 45701, 91402, 272219, 319907, 544438, 639814, 1905533, 3811066, 6261037, 12522074, 43827259, 87654518]

約数ペア:

[(1, 87654518), (2, 43827259), (7, 12522074), (14, 6261037), (23, 3811066), (46, 1905533), (137, 639814), (161, 544438), (274, 319907), (322, 272219), (959, 91402), (1918, 45701), (1987, 44114), (3151, 27818), (3974, 22057), (6302, 13909)]