1656396

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{313}}^1$

素因数の和:340

約数の個数: 72

約数和(自身を含む): 5011440

約数和(自身を除く): 3355044

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 98, 108, 126, 147, 189, 196, 252, 294, 313, 378, 441, 588, 626, 756, 882, 939, 1252, 1323, 1764, 1878, 2191, 2646, 2817, 3756, 4382, 5292, 5634, 6573, 8451, 8764, 11268, 13146, 15337, 16902, 19719, 26292, 30674, 33804, 39438, 46011, 59157, 61348, 78876, 92022, 118314, 138033, 184044, 236628, 276066, 414099, 552132, 828198, 1656396]

約数ペア:

[(1, 1656396), (2, 828198), (3, 552132), (4, 414099), (6, 276066), (7, 236628), (9, 184044), (12, 138033), (14, 118314), (18, 92022), (21, 78876), (27, 61348), (28, 59157), (36, 46011), (42, 39438), (49, 33804), (54, 30674), (63, 26292), (84, 19719), (98, 16902), (108, 15337), (126, 13146), (147, 11268), (189, 8764), (196, 8451), (252, 6573), (294, 5634), (313, 5292), (378, 4382), (441, 3756), (588, 2817), (626, 2646), (756, 2191), (882, 1878), (939, 1764), (1252, 1323)]