686228690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{426229}}^1$

素因数の和:426266

約数の個数: 32

約数和(自身を含む): 1473050880

約数和(自身を除く): 786822190

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 426229, 852458, 2131145, 2983603, 4262290, 5967206, 9803267, 14918015, 19606534, 29836030, 49016335, 68622869, 98032670, 137245738, 343114345, 686228690]

約数ペア:

[(1, 686228690), (2, 343114345), (5, 137245738), (7, 98032670), (10, 68622869), (14, 49016335), (23, 29836030), (35, 19606534), (46, 14918015), (70, 9803267), (115, 5967206), (161, 4262290), (230, 2983603), (322, 2131145), (805, 852458), (1610, 426229)]