2789874425525

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{199}}^1\times {\mathrm{176401}}^1$

素因数の和:176655

約数の個数: 72

約数和(自身を含む): 4029162801600

約数和(自身を除く): 1239288376075

約数列:

[1, 5, 11, 17, 25, 55, 85, 187, 199, 275, 289, 425, 935, 995, 1445, 2189, 3179, 3383, 4675, 4975, 7225, 10945, 15895, 16915, 37213, 54725, 57511, 79475, 84575, 176401, 186065, 287555, 632621, 882005, 930325, 1437775, 1940411, 2998817, 3163105, 4410025, 9702055, 14994085, 15815525, 32986987, 35103799, 48510275, 50979889, 74970425, 164934935, 175518995, 254899445, 386141789, 560778779, 596764583, 824674675, 877594975, 1274497225, 1930708945, 2803893895, 2983822915, 6564410413, 9653544725, 10144997911, 14019469475, 14919114575, 32822052065, 50724989555, 111594977021, 164110260325, 253624947775, 557974885105, 2789874425525]

約数ペア:

[(1, 2789874425525), (5, 557974885105), (11, 253624947775), (17, 164110260325), (25, 111594977021), (55, 50724989555), (85, 32822052065), (187, 14919114575), (199, 14019469475), (275, 10144997911), (289, 9653544725), (425, 6564410413), (935, 2983822915), (995, 2803893895), (1445, 1930708945), (2189, 1274497225), (3179, 877594975), (3383, 824674675), (4675, 596764583), (4975, 560778779), (7225, 386141789), (10945, 254899445), (15895, 175518995), (16915, 164934935), (37213, 74970425), (54725, 50979889), (57511, 48510275), (79475, 35103799), (84575, 32986987), (176401, 15815525), (186065, 14994085), (287555, 9702055), (632621, 4410025), (882005, 3163105), (930325, 2998817), (1437775, 1940411)]