221905516

素因数分解:

$2^2\times 7^2\times {\mathrm{223}}^1\times {\mathrm{5077}}^1$

素因数の和:5318

約数の個数: 36

約数和(自身を含む): 453851328

約数和(自身を除く): 231945812

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 223, 446, 892, 1561, 3122, 5077, 6244, 10154, 10927, 20308, 21854, 35539, 43708, 71078, 142156, 248773, 497546, 995092, 1132171, 2264342, 4528684, 7925197, 15850394, 31700788, 55476379, 110952758, 221905516]

約数ペア:

[(1, 221905516), (2, 110952758), (4, 55476379), (7, 31700788), (14, 15850394), (28, 7925197), (49, 4528684), (98, 2264342), (196, 1132171), (223, 995092), (446, 497546), (892, 248773), (1561, 142156), (3122, 71078), (5077, 43708), (6244, 35539), (10154, 21854), (10927, 20308)]