638215292

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{65633}}^1$

素因数の和:65678

約数の個数: 48

約数和(自身を含む): 1389340512

約数和(自身を除く): 751125220

約数列:

[1, 2, 4, 11, 13, 17, 22, 26, 34, 44, 52, 68, 143, 187, 221, 286, 374, 442, 572, 748, 884, 2431, 4862, 9724, 65633, 131266, 262532, 721963, 853229, 1115761, 1443926, 1706458, 2231522, 2887852, 3412916, 4463044, 9385519, 12273371, 14504893, 18771038, 24546742, 29009786, 37542076, 49093484, 58019572, 159553823, 319107646, 638215292]

約数ペア:

[(1, 638215292), (2, 319107646), (4, 159553823), (11, 58019572), (13, 49093484), (17, 37542076), (22, 29009786), (26, 24546742), (34, 18771038), (44, 14504893), (52, 12273371), (68, 9385519), (143, 4463044), (187, 3412916), (221, 2887852), (286, 2231522), (374, 1706458), (442, 1443926), (572, 1115761), (748, 853229), (884, 721963), (2431, 262532), (4862, 131266), (9724, 65633)]