128702920684

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{33904879}}^1$

素因数の和:33904969

約数の個数: 24

約数和(自身を含む): 245878189760

約数和(自身を除く): 117175269076

約数列:

[1, 2, 4, 13, 26, 52, 73, 146, 292, 949, 1898, 3796, 33904879, 67809758, 135619516, 440763427, 881526854, 1763053708, 2475056167, 4950112334, 9900224668, 32175730171, 64351460342, 128702920684]

約数ペア:

[(1, 128702920684), (2, 64351460342), (4, 32175730171), (13, 9900224668), (26, 4950112334), (52, 2475056167), (73, 1763053708), (146, 881526854), (292, 440763427), (949, 135619516), (1898, 67809758), (3796, 33904879)]