31056025

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1$

素因数の和:131

約数の個数: 96

約数和(自身を含む): 55496448

約数和(自身を除く): 24440423

約数列:

[1, 5, 7, 11, 13, 17, 25, 35, 55, 65, 73, 77, 85, 91, 119, 143, 175, 187, 221, 275, 325, 365, 385, 425, 455, 511, 595, 715, 803, 935, 949, 1001, 1105, 1241, 1309, 1547, 1825, 1925, 2275, 2431, 2555, 2975, 3575, 4015, 4675, 4745, 5005, 5525, 5621, 6205, 6545, 6643, 7735, 8687, 10439, 12155, 12775, 13651, 16133, 17017, 20075, 23725, 25025, 28105, 31025, 32725, 33215, 38675, 43435, 52195, 60775, 68255, 73073, 80665, 85085, 95557, 112931, 140525, 166075, 177463, 217175, 260975, 341275, 365365, 403325, 425425, 477785, 564655, 887315, 1242241, 1826825, 2388925, 2823275, 4436575, 6211205, 31056025]

約数ペア:

[(1, 31056025), (5, 6211205), (7, 4436575), (11, 2823275), (13, 2388925), (17, 1826825), (25, 1242241), (35, 887315), (55, 564655), (65, 477785), (73, 425425), (77, 403325), (85, 365365), (91, 341275), (119, 260975), (143, 217175), (175, 177463), (187, 166075), (221, 140525), (275, 112931), (325, 95557), (365, 85085), (385, 80665), (425, 73073), (455, 68255), (511, 60775), (595, 52195), (715, 43435), (803, 38675), (935, 33215), (949, 32725), (1001, 31025), (1105, 28105), (1241, 25025), (1309, 23725), (1547, 20075), (1825, 17017), (1925, 16133), (2275, 13651), (2431, 12775), (2555, 12155), (2975, 10439), (3575, 8687), (4015, 7735), (4675, 6643), (4745, 6545), (5005, 6205), (5525, 5621)]