261287104

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{3049}}^1$

素因数の和:3177

約数の個数: 56

約数和(自身を含む): 563981600

約数和(自身を除く): 302694496

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 103, 104, 206, 208, 412, 416, 824, 832, 1339, 1648, 2678, 3049, 3296, 5356, 6098, 6592, 10712, 12196, 21424, 24392, 39637, 42848, 48784, 79274, 85696, 97568, 158548, 195136, 314047, 317096, 628094, 634192, 1256188, 1268384, 2512376, 2536768, 4082611, 5024752, 8165222, 10049504, 16330444, 20099008, 32660888, 65321776, 130643552, 261287104]

約数ペア:

[(1, 261287104), (2, 130643552), (4, 65321776), (8, 32660888), (13, 20099008), (16, 16330444), (26, 10049504), (32, 8165222), (52, 5024752), (64, 4082611), (103, 2536768), (104, 2512376), (206, 1268384), (208, 1256188), (412, 634192), (416, 628094), (824, 317096), (832, 314047), (1339, 195136), (1648, 158548), (2678, 97568), (3049, 85696), (3296, 79274), (5356, 48784), (6098, 42848), (6592, 39637), (10712, 24392), (12196, 21424)]