209219884

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{743}}^1$

素因数の和:906

約数の個数: 48

約数和(自身を含む): 401599296

約数和(自身を除く): 192379412

約数列:

[1, 2, 4, 17, 34, 41, 68, 82, 101, 164, 202, 404, 697, 743, 1394, 1486, 1717, 2788, 2972, 3434, 4141, 6868, 8282, 12631, 16564, 25262, 30463, 50524, 60926, 70397, 75043, 121852, 140794, 150086, 281588, 300172, 517871, 1035742, 1275731, 2071484, 2551462, 3076763, 5102924, 6153526, 12307052, 52304971, 104609942, 209219884]

約数ペア:

[(1, 209219884), (2, 104609942), (4, 52304971), (17, 12307052), (34, 6153526), (41, 5102924), (68, 3076763), (82, 2551462), (101, 2071484), (164, 1275731), (202, 1035742), (404, 517871), (697, 300172), (743, 281588), (1394, 150086), (1486, 140794), (1717, 121852), (2788, 75043), (2972, 70397), (3434, 60926), (4141, 50524), (6868, 30463), (8282, 25262), (12631, 16564)]