209777724

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{2591}}^1$

素因数の和:2787

約数の個数: 72

約数和(自身を含む): 574584192

約数和(自身を除く): 364806468

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 173, 234, 346, 468, 519, 692, 1038, 1557, 2076, 2249, 2591, 3114, 4498, 5182, 6228, 6747, 7773, 8996, 10364, 13494, 15546, 20241, 23319, 26988, 31092, 33683, 40482, 46638, 67366, 80964, 93276, 101049, 134732, 202098, 303147, 404196, 448243, 606294, 896486, 1212588, 1344729, 1792972, 2689458, 4034187, 5378916, 5827159, 8068374, 11654318, 16136748, 17481477, 23308636, 34962954, 52444431, 69925908, 104888862, 209777724]

約数ペア:

[(1, 209777724), (2, 104888862), (3, 69925908), (4, 52444431), (6, 34962954), (9, 23308636), (12, 17481477), (13, 16136748), (18, 11654318), (26, 8068374), (36, 5827159), (39, 5378916), (52, 4034187), (78, 2689458), (117, 1792972), (156, 1344729), (173, 1212588), (234, 896486), (346, 606294), (468, 448243), (519, 404196), (692, 303147), (1038, 202098), (1557, 134732), (2076, 101049), (2249, 93276), (2591, 80964), (3114, 67366), (4498, 46638), (5182, 40482), (6228, 33683), (6747, 31092), (7773, 26988), (8996, 23319), (10364, 20241), (13494, 15546)]