248979705

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:183

約数の個数: 128

約数和(自身を含む): 493516800

約数和(自身を除く): 244537095

約数列:

[1, 3, 5, 13, 15, 17, 19, 39, 51, 57, 59, 65, 67, 85, 95, 177, 195, 201, 221, 247, 255, 285, 295, 323, 335, 663, 741, 767, 871, 885, 969, 1003, 1005, 1105, 1121, 1139, 1235, 1273, 1615, 2301, 2613, 3009, 3315, 3363, 3417, 3705, 3819, 3835, 3953, 4199, 4355, 4845, 5015, 5605, 5695, 6365, 11505, 11859, 12597, 13039, 13065, 14573, 14807, 15045, 16549, 16815, 17085, 19057, 19095, 19765, 20995, 21641, 39117, 43719, 44421, 49647, 51389, 57171, 59295, 62985, 64923, 65195, 67201, 72865, 74035, 75107, 82745, 95285, 108205, 154167, 195585, 201603, 218595, 222105, 225321, 247741, 248235, 256945, 281333, 285855, 324615, 336005, 375535, 743223, 770835, 843999, 873613, 976391, 1008015, 1126605, 1238705, 1276819, 1406665, 2620839, 2929173, 3716115, 3830457, 4219995, 4368065, 4881955, 6384095, 13104195, 14645865, 16598647, 19152285, 49795941, 82993235, 248979705]

約数ペア:

[(1, 248979705), (3, 82993235), (5, 49795941), (13, 19152285), (15, 16598647), (17, 14645865), (19, 13104195), (39, 6384095), (51, 4881955), (57, 4368065), (59, 4219995), (65, 3830457), (67, 3716115), (85, 2929173), (95, 2620839), (177, 1406665), (195, 1276819), (201, 1238705), (221, 1126605), (247, 1008015), (255, 976391), (285, 873613), (295, 843999), (323, 770835), (335, 743223), (663, 375535), (741, 336005), (767, 324615), (871, 285855), (885, 281333), (969, 256945), (1003, 248235), (1005, 247741), (1105, 225321), (1121, 222105), (1139, 218595), (1235, 201603), (1273, 195585), (1615, 154167), (2301, 108205), (2613, 95285), (3009, 82745), (3315, 75107), (3363, 74035), (3417, 72865), (3705, 67201), (3819, 65195), (3835, 64923), (3953, 62985), (4199, 59295), (4355, 57171), (4845, 51389), (5015, 49647), (5605, 44421), (5695, 43719), (6365, 39117), (11505, 21641), (11859, 20995), (12597, 19765), (13039, 19095), (13065, 19057), (14573, 17085), (14807, 16815), (15045, 16549)]