66290875

素因数分解:

$5^3\times 7^2\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:245

約数の個数: 48

約数和(自身を含む): 98167680

約数和(自身を除く): 31876805

約数列:

[1, 5, 7, 25, 35, 49, 79, 125, 137, 175, 245, 395, 553, 685, 875, 959, 1225, 1975, 2765, 3425, 3871, 4795, 6125, 6713, 9875, 10823, 13825, 17125, 19355, 23975, 33565, 54115, 69125, 75761, 96775, 119875, 167825, 270575, 378805, 483875, 530327, 839125, 1352875, 1894025, 2651635, 9470125, 13258175, 66290875]

約数ペア:

[(1, 66290875), (5, 13258175), (7, 9470125), (25, 2651635), (35, 1894025), (49, 1352875), (79, 839125), (125, 530327), (137, 483875), (175, 378805), (245, 270575), (395, 167825), (553, 119875), (685, 96775), (875, 75761), (959, 69125), (1225, 54115), (1975, 33565), (2765, 23975), (3425, 19355), (3871, 17125), (4795, 13825), (6125, 10823), (6713, 9875)]