256470824

素因数分解:

$2^3\times {\mathrm{103}}^1\times {\mathrm{439}}^1\times {\mathrm{709}}^1$

素因数の和:1257

約数の個数: 32

約数和(自身を含む): 487344000

約数和(自身を除く): 230873176

約数列:

[1, 2, 4, 8, 103, 206, 412, 439, 709, 824, 878, 1418, 1756, 2836, 3512, 5672, 45217, 73027, 90434, 146054, 180868, 292108, 311251, 361736, 584216, 622502, 1245004, 2490008, 32058853, 64117706, 128235412, 256470824]

約数ペア:

[(1, 256470824), (2, 128235412), (4, 64117706), (8, 32058853), (103, 2490008), (206, 1245004), (412, 622502), (439, 584216), (709, 361736), (824, 311251), (878, 292108), (1418, 180868), (1756, 146054), (2836, 90434), (3512, 73027), (5672, 45217)]