263713208

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{37}}^2\times {\mathrm{199}}^1$

素因数の和:301

約数の個数: 72

約数和(自身を含む): 561393000

約数和(自身を除く): 297679792

約数列:

[1, 2, 4, 8, 11, 22, 37, 44, 74, 88, 121, 148, 199, 242, 296, 398, 407, 484, 796, 814, 968, 1369, 1592, 1628, 2189, 2738, 3256, 4378, 4477, 5476, 7363, 8756, 8954, 10952, 14726, 15059, 17512, 17908, 24079, 29452, 30118, 35816, 48158, 58904, 60236, 80993, 96316, 120472, 161986, 165649, 192632, 272431, 323972, 331298, 544862, 647944, 662596, 890923, 1089724, 1325192, 1781846, 2179448, 2996741, 3563692, 5993482, 7127384, 11986964, 23973928, 32964151, 65928302, 131856604, 263713208]

約数ペア:

[(1, 263713208), (2, 131856604), (4, 65928302), (8, 32964151), (11, 23973928), (22, 11986964), (37, 7127384), (44, 5993482), (74, 3563692), (88, 2996741), (121, 2179448), (148, 1781846), (199, 1325192), (242, 1089724), (296, 890923), (398, 662596), (407, 647944), (484, 544862), (796, 331298), (814, 323972), (968, 272431), (1369, 192632), (1592, 165649), (1628, 161986), (2189, 120472), (2738, 96316), (3256, 80993), (4378, 60236), (4477, 58904), (5476, 48158), (7363, 35816), (8756, 30118), (8954, 29452), (10952, 24079), (14726, 17908), (15059, 17512)]