42489928

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{21503}}^1$

素因数の和:21541

約数の個数: 32

約数和(自身を含む): 90316800

約数和(自身を除く): 47826872

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 21503, 43006, 86012, 172024, 279539, 408557, 559078, 817114, 1118156, 1634228, 2236312, 3268456, 5311241, 10622482, 21244964, 42489928]

約数ペア:

[(1, 42489928), (2, 21244964), (4, 10622482), (8, 5311241), (13, 3268456), (19, 2236312), (26, 1634228), (38, 1118156), (52, 817114), (76, 559078), (104, 408557), (152, 279539), (247, 172024), (494, 86012), (988, 43006), (1976, 21503)]