78616528

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{258607}}^1$

素因数の和:258634

約数の個数: 20

約数和(自身を含む): 160336960

約数和(自身を除く): 81720432

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 258607, 517214, 1034428, 2068856, 4137712, 4913533, 9827066, 19654132, 39308264, 78616528]

約数ペア:

[(1, 78616528), (2, 39308264), (4, 19654132), (8, 9827066), (16, 4913533), (19, 4137712), (38, 2068856), (76, 1034428), (152, 517214), (304, 258607)]