42408392

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{997}}^1$

素因数の和:1425

約数の個数: 32

約数和(自身を含む): 85927800

約数和(自身を除く): 43519408

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 409, 818, 997, 1636, 1994, 3272, 3988, 5317, 7976, 10634, 12961, 21268, 25922, 42536, 51844, 103688, 407773, 815546, 1631092, 3262184, 5301049, 10602098, 21204196, 42408392]

約数ペア:

[(1, 42408392), (2, 21204196), (4, 10602098), (8, 5301049), (13, 3262184), (26, 1631092), (52, 815546), (104, 407773), (409, 103688), (818, 51844), (997, 42536), (1636, 25922), (1994, 21268), (3272, 12961), (3988, 10634), (5317, 7976)]