1281482512

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{4215403}}^1$

素因数の和:4215430

約数の個数: 20

約数和(自身を含む): 2613550480

約数和(自身を除く): 1332067968

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 4215403, 8430806, 16861612, 33723224, 67446448, 80092657, 160185314, 320370628, 640741256, 1281482512]

約数ペア:

[(1, 1281482512), (2, 640741256), (4, 320370628), (8, 160185314), (16, 80092657), (19, 67446448), (38, 33723224), (76, 16861612), (152, 8430806), (304, 4215403)]