66993328

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{3469}}^1$

素因数の和:3565

約数の個数: 40

約数和(自身を含む): 139410720

約数和(自身を除く): 72417392

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 71, 136, 142, 272, 284, 568, 1136, 1207, 2414, 3469, 4828, 6938, 9656, 13876, 19312, 27752, 55504, 58973, 117946, 235892, 246299, 471784, 492598, 943568, 985196, 1970392, 3940784, 4187083, 8374166, 16748332, 33496664, 66993328]

約数ペア:

[(1, 66993328), (2, 33496664), (4, 16748332), (8, 8374166), (16, 4187083), (17, 3940784), (34, 1970392), (68, 985196), (71, 943568), (136, 492598), (142, 471784), (272, 246299), (284, 235892), (568, 117946), (1136, 58973), (1207, 55504), (2414, 27752), (3469, 19312), (4828, 13876), (6938, 9656)]