728640318

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{106433}}^1$

素因数の和:106608

約数の個数: 32

約数和(自身を含む): 1675696896

約数和(自身を除く): 947056578

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 163, 326, 489, 978, 1141, 2282, 3423, 6846, 106433, 212866, 319299, 638598, 745031, 1490062, 2235093, 4470186, 17348579, 34697158, 52045737, 104091474, 121440053, 242880106, 364320159, 728640318]

約数ペア:

[(1, 728640318), (2, 364320159), (3, 242880106), (6, 121440053), (7, 104091474), (14, 52045737), (21, 34697158), (42, 17348579), (163, 4470186), (326, 2235093), (489, 1490062), (978, 745031), (1141, 638598), (2282, 319299), (3423, 212866), (6846, 106433)]