16628045225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{53939}}^1$

素因数の和:54038

約数の個数: 48

約数和(自身を含む): 24078816000

約数和(自身を除く): 7450770775

約数列:

[1, 5, 11, 19, 25, 55, 59, 95, 209, 275, 295, 475, 649, 1045, 1121, 1475, 3245, 5225, 5605, 12331, 16225, 28025, 53939, 61655, 269695, 308275, 593329, 1024841, 1348475, 2966645, 3182401, 5124205, 11273251, 14833225, 15912005, 25621025, 35006411, 56366255, 60465619, 79560025, 175032055, 281831275, 302328095, 665121809, 875160275, 1511640475, 3325609045, 16628045225]

約数ペア:

[(1, 16628045225), (5, 3325609045), (11, 1511640475), (19, 875160275), (25, 665121809), (55, 302328095), (59, 281831275), (95, 175032055), (209, 79560025), (275, 60465619), (295, 56366255), (475, 35006411), (649, 25621025), (1045, 15912005), (1121, 14833225), (1475, 11273251), (3245, 5124205), (5225, 3182401), (5605, 2966645), (12331, 1348475), (16225, 1024841), (28025, 593329), (53939, 308275), (61655, 269695)]