31326114625

素因数分解:

$5^3\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4591}}^1$

素因数の和:4668

約数の個数: 96

約数和(自身を含む): 47193269760

約数和(自身を除く): 15867155135

約数列:

[1, 5, 13, 17, 19, 25, 65, 85, 95, 125, 169, 221, 247, 323, 325, 425, 475, 845, 1105, 1235, 1615, 1625, 2125, 2375, 2873, 3211, 4199, 4225, 4591, 5525, 6175, 8075, 14365, 16055, 20995, 21125, 22955, 27625, 30875, 40375, 54587, 59683, 71825, 78047, 80275, 87229, 104975, 114775, 272935, 298415, 359125, 390235, 401375, 436145, 524875, 573875, 775879, 1014611, 1133977, 1364675, 1482893, 1492075, 1951175, 2180725, 3879395, 5073055, 5669885, 6823375, 7414465, 7460375, 9755875, 10903625, 13189943, 14741701, 19277609, 19396975, 25365275, 28349425, 37072325, 65949715, 73708505, 96388045, 96984875, 126826375, 141747125, 185361625, 250608917, 329748575, 368542525, 481940225, 1253044585, 1648742875, 1842712625, 2409701125, 6265222925, 31326114625]

約数ペア:

[(1, 31326114625), (5, 6265222925), (13, 2409701125), (17, 1842712625), (19, 1648742875), (25, 1253044585), (65, 481940225), (85, 368542525), (95, 329748575), (125, 250608917), (169, 185361625), (221, 141747125), (247, 126826375), (323, 96984875), (325, 96388045), (425, 73708505), (475, 65949715), (845, 37072325), (1105, 28349425), (1235, 25365275), (1615, 19396975), (1625, 19277609), (2125, 14741701), (2375, 13189943), (2873, 10903625), (3211, 9755875), (4199, 7460375), (4225, 7414465), (4591, 6823375), (5525, 5669885), (6175, 5073055), (8075, 3879395), (14365, 2180725), (16055, 1951175), (20995, 1492075), (21125, 1482893), (22955, 1364675), (27625, 1133977), (30875, 1014611), (40375, 775879), (54587, 573875), (59683, 524875), (71825, 436145), (78047, 401375), (80275, 390235), (87229, 359125), (104975, 298415), (114775, 272935)]