15978396

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{853}}^1$

素因数の和:1090

約数の個数: 48

約数和(自身を含む): 42850304

約数和(自身を除く): 26871908

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 223, 446, 669, 853, 892, 1338, 1561, 1706, 2559, 2676, 3122, 3412, 4683, 5118, 5971, 6244, 9366, 10236, 11942, 17913, 18732, 23884, 35826, 71652, 190219, 380438, 570657, 760876, 1141314, 1331533, 2282628, 2663066, 3994599, 5326132, 7989198, 15978396]

約数ペア:

[(1, 15978396), (2, 7989198), (3, 5326132), (4, 3994599), (6, 2663066), (7, 2282628), (12, 1331533), (14, 1141314), (21, 760876), (28, 570657), (42, 380438), (84, 190219), (223, 71652), (446, 35826), (669, 23884), (853, 18732), (892, 17913), (1338, 11942), (1561, 10236), (1706, 9366), (2559, 6244), (2676, 5971), (3122, 5118), (3412, 4683)]