1774448

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1$

素因数の和:489

約数の個数: 40

約数和(自身を含む): 3906000

約数和(自身を除く): 2131552

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 449, 494, 898, 988, 1796, 1976, 3592, 3952, 5837, 7184, 8531, 11674, 17062, 23348, 34124, 46696, 68248, 93392, 110903, 136496, 221806, 443612, 887224, 1774448]

約数ペア:

[(1, 1774448), (2, 887224), (4, 443612), (8, 221806), (13, 136496), (16, 110903), (19, 93392), (26, 68248), (38, 46696), (52, 34124), (76, 23348), (104, 17062), (152, 11674), (208, 8531), (247, 7184), (304, 5837), (449, 3952), (494, 3592), (898, 1976), (988, 1796)]