64391470

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1217}}^1$

素因数の和:1285

約数の個数: 64

約数和(自身を含む): 139962816

約数和(自身を除く): 75571346

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 37, 55, 65, 74, 110, 130, 143, 185, 286, 370, 407, 481, 715, 814, 962, 1217, 1430, 2035, 2405, 2434, 4070, 4810, 5291, 6085, 10582, 12170, 13387, 15821, 26455, 26774, 31642, 45029, 52910, 66935, 79105, 90058, 133870, 158210, 174031, 225145, 348062, 450290, 495319, 585377, 870155, 990638, 1170754, 1740310, 2476595, 2926885, 4953190, 5853770, 6439147, 12878294, 32195735, 64391470]

約数ペア:

[(1, 64391470), (2, 32195735), (5, 12878294), (10, 6439147), (11, 5853770), (13, 4953190), (22, 2926885), (26, 2476595), (37, 1740310), (55, 1170754), (65, 990638), (74, 870155), (110, 585377), (130, 495319), (143, 450290), (185, 348062), (286, 225145), (370, 174031), (407, 158210), (481, 133870), (715, 90058), (814, 79105), (962, 66935), (1217, 52910), (1430, 45029), (2035, 31642), (2405, 26774), (2434, 26455), (4070, 15821), (4810, 13387), (5291, 12170), (6085, 10582)]