289865556

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{2749}}^1$

素因数の和:2889

約数の個数: 72

約数和(自身を含む): 765765000

約数和(自身を除く): 475899444

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 101, 116, 174, 202, 261, 303, 348, 404, 522, 606, 909, 1044, 1212, 1818, 2749, 2929, 3636, 5498, 5858, 8247, 8787, 10996, 11716, 16494, 17574, 24741, 26361, 32988, 35148, 49482, 52722, 79721, 98964, 105444, 159442, 239163, 277649, 318884, 478326, 555298, 717489, 832947, 956652, 1110596, 1434978, 1665894, 2498841, 2869956, 3331788, 4997682, 8051821, 9995364, 16103642, 24155463, 32207284, 48310926, 72466389, 96621852, 144932778, 289865556]

約数ペア:

[(1, 289865556), (2, 144932778), (3, 96621852), (4, 72466389), (6, 48310926), (9, 32207284), (12, 24155463), (18, 16103642), (29, 9995364), (36, 8051821), (58, 4997682), (87, 3331788), (101, 2869956), (116, 2498841), (174, 1665894), (202, 1434978), (261, 1110596), (303, 956652), (348, 832947), (404, 717489), (522, 555298), (606, 478326), (909, 318884), (1044, 277649), (1212, 239163), (1818, 159442), (2749, 105444), (2929, 98964), (3636, 79721), (5498, 52722), (5858, 49482), (8247, 35148), (8787, 32988), (10996, 26361), (11716, 24741), (16494, 17574)]