198439208

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{271}}^1$

素因数の和:498

約数の個数: 64

約数和(自身を含む): 417726720

約数和(自身を除く): 219287512

約数列:

[1, 2, 4, 8, 11, 22, 44, 53, 88, 106, 157, 212, 271, 314, 424, 542, 583, 628, 1084, 1166, 1256, 1727, 2168, 2332, 2981, 3454, 4664, 5962, 6908, 8321, 11924, 13816, 14363, 16642, 23848, 28726, 33284, 42547, 57452, 66568, 85094, 91531, 114904, 157993, 170188, 183062, 315986, 340376, 366124, 468017, 631972, 732248, 936034, 1263944, 1872068, 2254991, 3744136, 4509982, 9019964, 18039928, 24804901, 49609802, 99219604, 198439208]

約数ペア:

[(1, 198439208), (2, 99219604), (4, 49609802), (8, 24804901), (11, 18039928), (22, 9019964), (44, 4509982), (53, 3744136), (88, 2254991), (106, 1872068), (157, 1263944), (212, 936034), (271, 732248), (314, 631972), (424, 468017), (542, 366124), (583, 340376), (628, 315986), (1084, 183062), (1166, 170188), (1256, 157993), (1727, 114904), (2168, 91531), (2332, 85094), (2981, 66568), (3454, 57452), (4664, 42547), (5962, 33284), (6908, 28726), (8321, 23848), (11924, 16642), (13816, 14363)]