78464528

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{258107}}^1$

素因数の和:258134

約数の個数: 20

約数和(自身を含む): 160026960

約数和(自身を除く): 81562432

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 258107, 516214, 1032428, 2064856, 4129712, 4904033, 9808066, 19616132, 39232264, 78464528]

約数ペア:

[(1, 78464528), (2, 39232264), (4, 19616132), (8, 9808066), (16, 4904033), (19, 4129712), (38, 2064856), (76, 1032428), (152, 516214), (304, 258107)]