166475990

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{2689}}^1$

素因数の和:2888

約数の個数: 32

約数和(自身を含む): 309113280

約数和(自身を除く): 142637290

約数列:

[1, 2, 5, 10, 41, 82, 151, 205, 302, 410, 755, 1510, 2689, 5378, 6191, 12382, 13445, 26890, 30955, 61910, 110249, 220498, 406039, 551245, 812078, 1102490, 2030195, 4060390, 16647599, 33295198, 83237995, 166475990]

約数ペア:

[(1, 166475990), (2, 83237995), (5, 33295198), (10, 16647599), (41, 4060390), (82, 2030195), (151, 1102490), (205, 812078), (302, 551245), (410, 406039), (755, 220498), (1510, 110249), (2689, 61910), (5378, 30955), (6191, 26890), (12382, 13445)]