28121515663345

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{8887}}^1\times {\mathrm{28789}}^1$

素因数の和:37802

約数の個数: 64

約数和(自身を含む): 38689890624000

約数和(自身を除く): 10568374960655

約数列:

[1, 5, 13, 19, 65, 89, 95, 247, 445, 1157, 1235, 1691, 5785, 8455, 8887, 21983, 28789, 44435, 109915, 115531, 143945, 168853, 374257, 546991, 577655, 790943, 844265, 1871285, 2195089, 2562221, 2734955, 3954715, 7110883, 10282259, 10975445, 12811105, 15027917, 33308873, 35554415, 48682199, 51411295, 75139585, 166544365, 195362921, 243410995, 255847843, 632868587, 976814605, 1279239215, 3164342935, 3326021959, 4861109017, 16630109795, 22770458027, 24305545085, 63194417221, 113852290135, 296015954351, 315972086105, 432638702513, 1480079771755, 2163193512565, 5624303132669, 28121515663345]

約数ペア:

[(1, 28121515663345), (5, 5624303132669), (13, 2163193512565), (19, 1480079771755), (65, 432638702513), (89, 315972086105), (95, 296015954351), (247, 113852290135), (445, 63194417221), (1157, 24305545085), (1235, 22770458027), (1691, 16630109795), (5785, 4861109017), (8455, 3326021959), (8887, 3164342935), (21983, 1279239215), (28789, 976814605), (44435, 632868587), (109915, 255847843), (115531, 243410995), (143945, 195362921), (168853, 166544365), (374257, 75139585), (546991, 51411295), (577655, 48682199), (790943, 35554415), (844265, 33308873), (1871285, 15027917), (2195089, 12811105), (2562221, 10975445), (2734955, 10282259), (3954715, 7110883)]