977881528

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{997}}^1\times {\mathrm{9431}}^1$

素因数の和:10447

約数の個数: 32

約数和(自身を含む): 1976758560

約数和(自身を除く): 998877032

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 997, 1994, 3988, 7976, 9431, 12961, 18862, 25922, 37724, 51844, 75448, 103688, 122603, 245206, 490412, 980824, 9402707, 18805414, 37610828, 75221656, 122235191, 244470382, 488940764, 977881528]

約数ペア:

[(1, 977881528), (2, 488940764), (4, 244470382), (8, 122235191), (13, 75221656), (26, 37610828), (52, 18805414), (104, 9402707), (997, 980824), (1994, 490412), (3988, 245206), (7976, 122603), (9431, 103688), (12961, 75448), (18862, 51844), (25922, 37724)]