16650004

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:317

約数の個数: 72

約数和(自身を含む): 37920960

約数和(自身を除く): 21270956

約数列:

[1, 2, 4, 7, 14, 17, 19, 28, 34, 38, 49, 68, 76, 98, 119, 133, 196, 238, 263, 266, 323, 476, 526, 532, 646, 833, 931, 1052, 1292, 1666, 1841, 1862, 2261, 3332, 3682, 3724, 4471, 4522, 4997, 7364, 8942, 9044, 9994, 12887, 15827, 17884, 19988, 25774, 31297, 31654, 34979, 51548, 62594, 63308, 69958, 84949, 125188, 139916, 169898, 219079, 244853, 339796, 438158, 489706, 594643, 876316, 979412, 1189286, 2378572, 4162501, 8325002, 16650004]

約数ペア:

[(1, 16650004), (2, 8325002), (4, 4162501), (7, 2378572), (14, 1189286), (17, 979412), (19, 876316), (28, 594643), (34, 489706), (38, 438158), (49, 339796), (68, 244853), (76, 219079), (98, 169898), (119, 139916), (133, 125188), (196, 84949), (238, 69958), (263, 63308), (266, 62594), (323, 51548), (476, 34979), (526, 31654), (532, 31297), (646, 25774), (833, 19988), (931, 17884), (1052, 15827), (1292, 12887), (1666, 9994), (1841, 9044), (1862, 8942), (2261, 7364), (3332, 4997), (3682, 4522), (3724, 4471)]