66761584

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{3457}}^1$

素因数の和:3553

約数の個数: 40

約数和(自身を含む): 138928608

約数和(自身を除く): 72167024

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 71, 136, 142, 272, 284, 568, 1136, 1207, 2414, 3457, 4828, 6914, 9656, 13828, 19312, 27656, 55312, 58769, 117538, 235076, 245447, 470152, 490894, 940304, 981788, 1963576, 3927152, 4172599, 8345198, 16690396, 33380792, 66761584]

約数ペア:

[(1, 66761584), (2, 33380792), (4, 16690396), (8, 8345198), (16, 4172599), (17, 3927152), (34, 1963576), (68, 981788), (71, 940304), (136, 490894), (142, 470152), (272, 245447), (284, 235076), (568, 117538), (1136, 58769), (1207, 55312), (2414, 27656), (3457, 19312), (4828, 13828), (6914, 9656)]