128509784

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{16927}}^1$

素因数の和:17019

約数の個数: 32

約数和(自身を含む): 263061120

約数和(自身を除く): 134551336

約数列:

[1, 2, 4, 8, 13, 26, 52, 73, 104, 146, 292, 584, 949, 1898, 3796, 7592, 16927, 33854, 67708, 135416, 220051, 440102, 880204, 1235671, 1760408, 2471342, 4942684, 9885368, 16063723, 32127446, 64254892, 128509784]

約数ペア:

[(1, 128509784), (2, 64254892), (4, 32127446), (8, 16063723), (13, 9885368), (26, 4942684), (52, 2471342), (73, 1760408), (104, 1235671), (146, 880204), (292, 440102), (584, 220051), (949, 135416), (1898, 67708), (3796, 33854), (7592, 16927)]