28778825075

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{14557}}^1$

素因数の和:14677

約数の個数: 96

約数和(自身を含む): 48523560960

約数和(自身を除く): 19744735885

約数列:

[1, 5, 7, 11, 13, 25, 35, 55, 65, 77, 79, 91, 143, 175, 275, 325, 385, 395, 455, 553, 715, 869, 1001, 1027, 1925, 1975, 2275, 2765, 3575, 4345, 5005, 5135, 6083, 7189, 11297, 13825, 14557, 21725, 25025, 25675, 30415, 35945, 56485, 72785, 79079, 101899, 152075, 160127, 179725, 189241, 282425, 363925, 395395, 509495, 800635, 946205, 1120889, 1150003, 1324687, 1976975, 2081651, 2547475, 4003175, 4731025, 5604445, 5750015, 6623435, 8050021, 10408255, 12650033, 14571557, 14950039, 28022225, 28750075, 33117175, 40250105, 52041275, 63250165, 72857785, 74750195, 88550231, 104650273, 164450429, 201250525, 316250825, 364288925, 373750975, 442751155, 523251365, 822252145, 1151153003, 2213755775, 2616256825, 4111260725, 5755765015, 28778825075]

約数ペア:

[(1, 28778825075), (5, 5755765015), (7, 4111260725), (11, 2616256825), (13, 2213755775), (25, 1151153003), (35, 822252145), (55, 523251365), (65, 442751155), (77, 373750975), (79, 364288925), (91, 316250825), (143, 201250525), (175, 164450429), (275, 104650273), (325, 88550231), (385, 74750195), (395, 72857785), (455, 63250165), (553, 52041275), (715, 40250105), (869, 33117175), (1001, 28750075), (1027, 28022225), (1925, 14950039), (1975, 14571557), (2275, 12650033), (2765, 10408255), (3575, 8050021), (4345, 6623435), (5005, 5750015), (5135, 5604445), (6083, 4731025), (7189, 4003175), (11297, 2547475), (13825, 2081651), (14557, 1976975), (21725, 1324687), (25025, 1150003), (25675, 1120889), (30415, 946205), (35945, 800635), (56485, 509495), (72785, 395395), (79079, 363925), (101899, 282425), (152075, 189241), (160127, 179725)]