268268008

素因数分解:

$2^3\times {\mathrm{163}}^1\times {\mathrm{409}}^1\times {\mathrm{503}}^1$

素因数の和:1081

約数の個数: 32

約数和(自身を含む): 508334400

約数和(自身を除く): 240066392

約数列:

[1, 2, 4, 8, 163, 326, 409, 503, 652, 818, 1006, 1304, 1636, 2012, 3272, 4024, 66667, 81989, 133334, 163978, 205727, 266668, 327956, 411454, 533336, 655912, 822908, 1645816, 33533501, 67067002, 134134004, 268268008]

約数ペア:

[(1, 268268008), (2, 134134004), (4, 67067002), (8, 33533501), (163, 1645816), (326, 822908), (409, 655912), (503, 533336), (652, 411454), (818, 327956), (1006, 266668), (1304, 205727), (1636, 163978), (2012, 133334), (3272, 81989), (4024, 66667)]