647914236416

素因数分解:

$2^9\times {\mathrm{23}}^1\times {\mathrm{2861}}^1\times {\mathrm{19231}}^1$

素因数の和:22133

約数の個数: 80

約数和(自身を含む): 1351390791168

約数和(自身を除く): 703476554752

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 256, 368, 512, 736, 1472, 2861, 2944, 5722, 5888, 11444, 11776, 19231, 22888, 38462, 45776, 65803, 76924, 91552, 131606, 153848, 183104, 263212, 307696, 366208, 442313, 526424, 615392, 732416, 884626, 1052848, 1230784, 1464832, 1769252, 2105696, 2461568, 3538504, 4211392, 4923136, 7077008, 8422784, 9846272, 14154016, 16845568, 28308032, 33691136, 55019891, 56616064, 110039782, 113232128, 220079564, 226464256, 440159128, 880318256, 1265457493, 1760636512, 2530914986, 3521273024, 5061829972, 7042546048, 10123659944, 14085092096, 20247319888, 28170184192, 40494639776, 80989279552, 161978559104, 323957118208, 647914236416]

約数ペア:

[(1, 647914236416), (2, 323957118208), (4, 161978559104), (8, 80989279552), (16, 40494639776), (23, 28170184192), (32, 20247319888), (46, 14085092096), (64, 10123659944), (92, 7042546048), (128, 5061829972), (184, 3521273024), (256, 2530914986), (368, 1760636512), (512, 1265457493), (736, 880318256), (1472, 440159128), (2861, 226464256), (2944, 220079564), (5722, 113232128), (5888, 110039782), (11444, 56616064), (11776, 55019891), (19231, 33691136), (22888, 28308032), (38462, 16845568), (45776, 14154016), (65803, 9846272), (76924, 8422784), (91552, 7077008), (131606, 4923136), (153848, 4211392), (183104, 3538504), (263212, 2461568), (307696, 2105696), (366208, 1769252), (442313, 1464832), (526424, 1230784), (615392, 1052848), (732416, 884626)]