158171690

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{7727}}^1$

素因数の和:7846

約数の個数: 32

約数和(自身を含む): 300464640

約数和(自身を除く): 142292950

約数列:

[1, 2, 5, 10, 23, 46, 89, 115, 178, 230, 445, 890, 2047, 4094, 7727, 10235, 15454, 20470, 38635, 77270, 177721, 355442, 687703, 888605, 1375406, 1777210, 3438515, 6877030, 15817169, 31634338, 79085845, 158171690]

約数ペア:

[(1, 158171690), (2, 79085845), (5, 31634338), (10, 15817169), (23, 6877030), (46, 3438515), (89, 1777210), (115, 1375406), (178, 888605), (230, 687703), (445, 355442), (890, 177721), (2047, 77270), (4094, 38635), (7727, 20470), (10235, 15454)]