618897412

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1049}}^1\times {\mathrm{1109}}^1$

素因数の和:2188

約数の個数: 48

約数和(自身を含む): 1305360000

約数和(自身を除く): 686462588

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 1049, 1109, 2098, 2218, 4196, 4436, 7343, 7763, 14686, 15526, 19931, 21071, 29372, 31052, 39862, 42142, 79724, 84284, 139517, 147497, 279034, 294994, 558068, 589988, 1163341, 2326682, 4653364, 8143387, 16286774, 22103479, 32573548, 44206958, 88413916, 154724353, 309448706, 618897412]

約数ペア:

[(1, 618897412), (2, 309448706), (4, 154724353), (7, 88413916), (14, 44206958), (19, 32573548), (28, 22103479), (38, 16286774), (76, 8143387), (133, 4653364), (266, 2326682), (532, 1163341), (1049, 589988), (1109, 558068), (2098, 294994), (2218, 279034), (4196, 147497), (4436, 139517), (7343, 84284), (7763, 79724), (14686, 42142), (15526, 39862), (19931, 31052), (21071, 29372)]