287730716

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{593}}^1$

素因数の和:691

約数の個数: 96

約数和(自身を含む): 655699968

約数和(自身を除く): 367969252

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 43, 52, 62, 86, 91, 124, 172, 182, 217, 301, 364, 403, 434, 559, 593, 602, 806, 868, 1118, 1186, 1204, 1333, 1612, 2236, 2372, 2666, 2821, 3913, 4151, 5332, 5642, 7709, 7826, 8302, 9331, 11284, 15418, 15652, 16604, 17329, 18383, 18662, 25499, 30836, 34658, 36766, 37324, 50998, 53963, 69316, 73532, 101996, 107926, 121303, 128681, 178493, 215852, 238979, 242606, 257362, 331487, 356986, 477958, 485212, 514724, 662974, 713972, 790469, 955916, 1325948, 1580938, 1672853, 2320409, 3161876, 3345706, 4640818, 5533283, 6691412, 9281636, 10276097, 11066566, 20552194, 22133132, 41104388, 71932679, 143865358, 287730716]

約数ペア:

[(1, 287730716), (2, 143865358), (4, 71932679), (7, 41104388), (13, 22133132), (14, 20552194), (26, 11066566), (28, 10276097), (31, 9281636), (43, 6691412), (52, 5533283), (62, 4640818), (86, 3345706), (91, 3161876), (124, 2320409), (172, 1672853), (182, 1580938), (217, 1325948), (301, 955916), (364, 790469), (403, 713972), (434, 662974), (559, 514724), (593, 485212), (602, 477958), (806, 356986), (868, 331487), (1118, 257362), (1186, 242606), (1204, 238979), (1333, 215852), (1612, 178493), (2236, 128681), (2372, 121303), (2666, 107926), (2821, 101996), (3913, 73532), (4151, 69316), (5332, 53963), (5642, 50998), (7709, 37324), (7826, 36766), (8302, 34658), (9331, 30836), (11284, 25499), (15418, 18662), (15652, 18383), (16604, 17329)]