199974008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{4943}}^1$

素因数の和:5351

約数の個数: 32

約数和(自身を含む): 404913600

約数和(自身を除く): 204939592

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 389, 778, 1556, 3112, 4943, 5057, 9886, 10114, 19772, 20228, 39544, 40456, 64259, 128518, 257036, 514072, 1922827, 3845654, 7691308, 15382616, 24996751, 49993502, 99987004, 199974008]

約数ペア:

[(1, 199974008), (2, 99987004), (4, 49993502), (8, 24996751), (13, 15382616), (26, 7691308), (52, 3845654), (104, 1922827), (389, 514072), (778, 257036), (1556, 128518), (3112, 64259), (4943, 40456), (5057, 39544), (9886, 20228), (10114, 19772)]