1993442906

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{21023}}^1$

素因数の和:21566

約数の個数: 32

約数和(自身を含む): 3687441408

約数和(自身を除く): 1693998502

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 521, 1042, 3647, 6773, 7294, 13546, 21023, 42046, 47411, 94822, 147161, 273299, 294322, 546598, 1913093, 3826186, 10952983, 21905966, 76670881, 142388779, 153341762, 284777558, 996721453, 1993442906]

約数ペア:

[(1, 1993442906), (2, 996721453), (7, 284777558), (13, 153341762), (14, 142388779), (26, 76670881), (91, 21905966), (182, 10952983), (521, 3826186), (1042, 1913093), (3647, 546598), (6773, 294322), (7294, 273299), (13546, 147161), (21023, 94822), (42046, 47411)]