208014004

素因数分解:

$2^2\times {\mathrm{11}}^3\times {\mathrm{89}}^1\times {\mathrm{439}}^1$

素因数の和:565

約数の個数: 48

約数和(自身を含む): 405820800

約数和(自身を除く): 197806796

約数列:

[1, 2, 4, 11, 22, 44, 89, 121, 178, 242, 356, 439, 484, 878, 979, 1331, 1756, 1958, 2662, 3916, 4829, 5324, 9658, 10769, 19316, 21538, 39071, 43076, 53119, 78142, 106238, 118459, 156284, 212476, 236918, 429781, 473836, 584309, 859562, 1168618, 1719124, 2337236, 4727591, 9455182, 18910364, 52003501, 104007002, 208014004]

約数ペア:

[(1, 208014004), (2, 104007002), (4, 52003501), (11, 18910364), (22, 9455182), (44, 4727591), (89, 2337236), (121, 1719124), (178, 1168618), (242, 859562), (356, 584309), (439, 473836), (484, 429781), (878, 236918), (979, 212476), (1331, 156284), (1756, 118459), (1958, 106238), (2662, 78142), (3916, 53119), (4829, 43076), (5324, 39071), (9658, 21538), (10769, 19316)]