208996504

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2789}}^1$

素因数の和:2860

約数の個数: 64

約数和(自身を含む): 451980000

約数和(自身を除く): 242983496

約数列:

[1, 2, 4, 8, 17, 19, 29, 34, 38, 58, 68, 76, 116, 136, 152, 232, 323, 493, 551, 646, 986, 1102, 1292, 1972, 2204, 2584, 2789, 3944, 4408, 5578, 9367, 11156, 18734, 22312, 37468, 47413, 52991, 74936, 80881, 94826, 105982, 161762, 189652, 211964, 323524, 379304, 423928, 647048, 900847, 1374977, 1536739, 1801694, 2749954, 3073478, 3603388, 5499908, 6146956, 7206776, 10999816, 12293912, 26124563, 52249126, 104498252, 208996504]

約数ペア:

[(1, 208996504), (2, 104498252), (4, 52249126), (8, 26124563), (17, 12293912), (19, 10999816), (29, 7206776), (34, 6146956), (38, 5499908), (58, 3603388), (68, 3073478), (76, 2749954), (116, 1801694), (136, 1536739), (152, 1374977), (232, 900847), (323, 647048), (493, 423928), (551, 379304), (646, 323524), (986, 211964), (1102, 189652), (1292, 161762), (1972, 105982), (2204, 94826), (2584, 80881), (2789, 74936), (3944, 52991), (4408, 47413), (5578, 37468), (9367, 22312), (11156, 18734)]