821679348

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{499}}^1\times {\mathrm{19603}}^1$

素因数の和:20116

約数の個数: 48

約数和(自身を含む): 2195648000

約数和(自身を除く): 1373968652

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 499, 998, 1497, 1996, 2994, 3493, 5988, 6986, 10479, 13972, 19603, 20958, 39206, 41916, 58809, 78412, 117618, 137221, 235236, 274442, 411663, 548884, 823326, 1646652, 9781897, 19563794, 29345691, 39127588, 58691382, 68473279, 117382764, 136946558, 205419837, 273893116, 410839674, 821679348]

約数ペア:

[(1, 821679348), (2, 410839674), (3, 273893116), (4, 205419837), (6, 136946558), (7, 117382764), (12, 68473279), (14, 58691382), (21, 39127588), (28, 29345691), (42, 19563794), (84, 9781897), (499, 1646652), (998, 823326), (1497, 548884), (1996, 411663), (2994, 274442), (3493, 235236), (5988, 137221), (6986, 117618), (10479, 78412), (13972, 58809), (19603, 41916), (20958, 39206)]