8279425

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:79

約数の個数: 72

約数和(自身を含む): 14249088

約数和(自身を除く): 5969663

約数列:

[1, 5, 7, 11, 17, 23, 25, 35, 55, 77, 85, 115, 119, 121, 161, 175, 187, 253, 275, 385, 391, 425, 575, 595, 605, 805, 847, 935, 1265, 1309, 1771, 1925, 1955, 2057, 2737, 2783, 2975, 3025, 4025, 4235, 4301, 4675, 6325, 6545, 8855, 9775, 10285, 13685, 13915, 14399, 19481, 21175, 21505, 30107, 32725, 44275, 47311, 51425, 68425, 69575, 71995, 97405, 107525, 150535, 236555, 331177, 359975, 487025, 752675, 1182775, 1655885, 8279425]

約数ペア:

[(1, 8279425), (5, 1655885), (7, 1182775), (11, 752675), (17, 487025), (23, 359975), (25, 331177), (35, 236555), (55, 150535), (77, 107525), (85, 97405), (115, 71995), (119, 69575), (121, 68425), (161, 51425), (175, 47311), (187, 44275), (253, 32725), (275, 30107), (385, 21505), (391, 21175), (425, 19481), (575, 14399), (595, 13915), (605, 13685), (805, 10285), (847, 9775), (935, 8855), (1265, 6545), (1309, 6325), (1771, 4675), (1925, 4301), (1955, 4235), (2057, 4025), (2737, 3025), (2783, 2975)]