83871690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{399389}}^1$

素因数の和:399406

約数の個数: 32

約数和(自身を含む): 230048640

約数和(自身を除く): 146176950

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 399389, 798778, 1198167, 1996945, 2396334, 2795723, 3993890, 5591446, 5990835, 8387169, 11981670, 13978615, 16774338, 27957230, 41935845, 83871690]

約数ペア:

[(1, 83871690), (2, 41935845), (3, 27957230), (5, 16774338), (6, 13978615), (7, 11981670), (10, 8387169), (14, 5990835), (15, 5591446), (21, 3993890), (30, 2795723), (35, 2396334), (42, 1996945), (70, 1198167), (105, 798778), (210, 399389)]