640915368

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{1570871}}^1$

素因数の和:1570897

約数の個数: 32

約数和(自身を含む): 1696541760

約数和(自身を除く): 1055626392

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408, 1570871, 3141742, 4712613, 6283484, 9425226, 12566968, 18850452, 26704807, 37700904, 53409614, 80114421, 106819228, 160228842, 213638456, 320457684, 640915368]

約数ペア:

[(1, 640915368), (2, 320457684), (3, 213638456), (4, 160228842), (6, 106819228), (8, 80114421), (12, 53409614), (17, 37700904), (24, 26704807), (34, 18850452), (51, 12566968), (68, 9425226), (102, 6283484), (136, 4712613), (204, 3141742), (408, 1570871)]